Best Specific Gravity Cubes for Easy Experiments

Looking for the best specific gravity cubes?
We offer durable, hands-on cubes that make density experiments simple, accurate, and engaging for students and teachers.

Specific Gravity Cubes make science real. You can hold them, test them, and see how density changes with each material. They turn a hard idea into something simple and clear.

Students love the hands-on feel. Teachers trust them for accurate experiments. These cubes bring confidence to every classroom test.

They are strong. They are easy. They are fun.

List of Top 10 Specific Gravity Cubes

Title	Best For	Price
Eisco Labs Specific Gravity Cubes with Hooks (Set of 4)	This set is perfect for teachers, students, and science lovers who want to explore how different metals compare in density. It’s simple, clear, and made for hands-on learning.	View on Amazon (paid link)
EISCO Density Cubes Set – Includes 6 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc – 0.4″ (10mm) Sides – for use with Density, Specific Gravity Activities	This EISCO Density Cubes Set is perfect for teachers and students in physical science classrooms. It’s great for hands-on learning about density, specific heat, and gravity.	View on Amazon (paid link)
5Pcs 1 inch Metal Block Set,Metal Cube-Brass, Copper,Iron,Steel & Aluminumfor Density Investigation,Specific Gravity,Collectible,Specific Heat Experiment	This set is perfect for teachers, students, and science lovers who want to explore density, specific gravity, and metal properties in a clear, hands-on way. It makes learning physics experiments simple and fun.	View on Amazon (paid link)
Baluue STEM Density Cube Set 4-Pack 20mm Brass, Iron, Aluminum & Wood Blocks for Archimedes Principle & Specific Gravity Labs School & Classroom Science Kit	This set is perfect for teachers, students, and homeschoolers who want hands-on science learning. It’s also great for curious young scientists exploring how different materials behave.	View on Amazon (paid link)
EISCO Density Cubes Set with Hooks – Includes 4 Metals – Brass, Lead, Aluminum & Steel – 1.25″ (32mm) Sides – for use with Density, Specific Gravity Activities	This set is perfect for teachers, students, and science lovers who want to explore density and specific gravity in a hands-on way. It makes learning physics simple, clear, and fun.	View on Amazon (paid link)
EISCO Density Cubes Set – Includes 6 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc – 0.8″ (20mm) Sides – for use with Density, Specific Gravity Activities	This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a simple, clear way. It’s made for anyone who enjoys learning by touching, testing, and seeing results.	View on Amazon (paid link)
EISCO Density Cubes Set with Hooks – Includes 4 Metals – Brass, Copper, Aluminum & Steel – 1.25″ (32mm) Sides – for use with Density, Specific Gravity Activities	This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a clear, simple way. It makes learning physics easy, fun, and practical.	View on Amazon (paid link)
EISCO Density Cubes Set – Includes 7 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc & Tin – 0.8″ (20mm) Sides – for use with Density, Specific Gravity Activities	This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a simple, clear way. It makes learning physics fun and easy to understand.	View on Amazon (paid link)
EISCO Density Cube, Brass (Br) with Element Stamp – 0.8 Inch (20mm) Sides – for Density Investigation, Specific Gravity & Specific Heat Activities	This EISCO Density Cube is perfect for teachers and students in physics classrooms. It’s great for hands-on learning about density, specific heat, and specific gravity.	View on Amazon (paid link)
5pcs Solid Wood Density Cubes Set, High Density Element Cube, for Element Collections Lab Experiment Material Heavy Small Objects Experience ensity, Specific Gravity Activities	This set is perfect for teachers, students, and science lovers who want to explore density and specific gravity in a fun, hands-on way. It’s also great for anyone building an element collection or running lab experiments with real materials.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Specific Gravity Cubes handpicked for quality, durability, and value. Each set is designed for hands-on learning in science and physics, making complex concepts simple and fun. Whether for classrooms or labs, find the perfect cubes to explore density, gravity, and heat with ease.

1. Eisco Labs Specific Gravity Cubes with Hooks (Set of 4)

This set includes four solid cubes made of brass, iron, aluminum, and zinc. Each cube is 20mm in size. Strong hooks are attached for easy use.

They are perfect for density experiments. The cubes let you compare specific gravity quickly. Simple design makes learning clear.

Great for classrooms and labs. Easy to handle and very durable.

Pros	Cons
Four metals in one handy set Easy-to-use hooks for quick handling Perfect for science experiments and learning Durable 20mm cubes built to last Great for classrooms and labs alike	Only 4 cubes included, limits variety Small size may be less impressive for demos Hooks can snag or bend with rough use

Perfect For:

This set is perfect for teachers, students, and science lovers who want to explore how different metals compare in density. It’s simple, clear, and made for hands-on learning.

Ready to Purchase?

View Price on Amazon (paid link)

2. EISCO Density Cubes Set – Includes 6 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc – 0.4″ (10mm) Sides – for use with Density, Specific Gravity Activities

EISCO Density Cubes Set is a 6-piece collection of metal cubes. Each cube is made from a different metal: brass, lead, iron, copper, aluminum, and zinc. Every cube is stamped for easy identification.

These cubes are small and uniform, measuring 10mm (0.4″) on each side. They are perfect for hands-on learning in science classrooms. The set includes a handy storage case to keep them organized.

The set also comes with an experiment manual. It provides background information and student activities. This makes it ideal for exploring density, specific heat, and specific gravity.

Pros	Cons
6 metals for hands-on learning Compact 10mm cubes fit anywhere Perfect for science classrooms and experiments Comes with a storage case for easy keeping Includes manual with activities and questions	Tiny cubes may be hard to handle for younger students. Plastic case feels flimsy and could break easily. No safety tools included for handling heavy metals.

Perfect For:

This EISCO Density Cubes Set is perfect for teachers and students in physical science classrooms. It’s great for hands-on learning about density, specific heat, and gravity.

Ready to Purchase?

View Price on Amazon (paid link)

3. 5Pcs 1 inch Metal Block Set,Metal Cube-Brass, Copper,Iron,Steel & Aluminumfor Density Investigation,Specific Gravity,Collectible,Specific Heat Experiment

5Pcs 1 inch Metal Block Set,Metal Cube-Brass, Copper,Iron,Steel & Aluminumfor Density Investigation,Specific Gravity,Collectible,Specific Heat Experiment

This 5-piece metal block set is built for learning. Each block is 1 inch in size. You get brass, copper, iron, steel, and aluminum.

Use them for density tests, specific heat experiments, and gravity studies. Each block has a removable label. Perfect for hands-on science in the classroom.

Great for students and teachers. Helps explain metal properties in a clear way. A smart tool for physics education.

Pros	Cons
5 metals in one handy set Perfect for classroom experiments and learning Clear labels make identification simple Great for density and heat investigations Compact 1-inch size fits anywhere	Limited quantity: Only 5 pieces in the set. Oxidation risk: Metals may rust or tarnish over time. No storage: Set lacks a case or organizer.

Perfect For:

This set is perfect for teachers, students, and science lovers who want to explore density, specific gravity, and metal properties in a clear, hands-on way. It makes learning physics experiments simple and fun.

Ready to Purchase?

View Price on Amazon (paid link)

4. Baluue STEM Density Cube Set 4-Pack 20mm Brass, Iron, Aluminum & Wood Blocks for Archimedes Principle & Specific Gravity Labs School & Classroom Science Kit

Baluue STEM Density Cube Set 4-Pack 20mm Brass, Iron, Aluminum & Wood Blocks for Archimedes Principle & Specific Gravity Labs School & Classroom Science Kit

This STEM cube set makes science hands-on. Students can feel the weight difference between brass, iron, aluminum, and wood. It’s a simple way to see how density changes with material.

Each cube is precision-made for accurate experiments. The set comes in a protective case for easy storage and travel.

Pros	Cons
Explore 4 unique materials in one handy set. Precision-made cubes for accurate science experiments. Sturdy case keeps cubes safe and organized. Perfect for STEM and physics learning. Versatile tools for multiple science activities.	Small size may limit advanced experiments Only four materials included, not a full set Plastic case may feel less durable

Perfect For:

This set is perfect for teachers, students, and homeschoolers who want hands-on science learning. It’s also great for curious young scientists exploring how different materials behave.

Ready to Purchase?

View Price on Amazon (paid link)

5. EISCO Density Cubes Set with Hooks – Includes 4 Metals – Brass, Lead, Aluminum & Steel – 1.25″ (32mm) Sides – for use with Density, Specific Gravity Activities

This set of 4 density cubes is built for hands-on learning. Each cube has a hook for easy experiments. They come in a snap-top case for safe storage.

Made of brass, lead, aluminum, and steel, each cube is stamped for quick ID. The size is 32mm (1.25″) per side, perfect for classroom use.

Great for physics lessons and science labs. Explore density, specific gravity, and heat with ease.

Pros	Cons
4 metals for hands-on learning fun Easy ID with clear element stamps Perfect size for classroom experiments Durable case keeps cubes safe and tidy	Oxidation may occur, needs scuffing to look new Not high precision, tolerances up to ±5%

Perfect For:

This set is perfect for teachers, students, and science lovers who want to explore density and specific gravity in a hands-on way. It makes learning physics simple, clear, and fun.

Ready to Purchase?

View Price on Amazon (paid link)

6. EISCO Density Cubes Set – Includes 6 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc – 0.8″ (20mm) Sides – for use with Density, Specific Gravity Activities

This set of 6 density cubes includes Brass, Lead, Iron, Copper, Aluminum, and Zinc. Each cube is 20mm (0.8″) on every side. A plastic snap-top case keeps them safe and organized.

Every cube has a clear element stamp for easy ID. Perfect for classroom experiments and hands-on learning. Great for exploring density, specific heat, and specific gravity.

Some oxidation may appear over time. Just scuff it off and the cube looks new again.

Pros	Cons
Six metal cubes for hands-on learning Easy ID stamps on each cube Perfect for classrooms and science projects Durable storage case keeps cubes organized Versatile use in density and gravity studies	Oxidation may appear, needs scuffing to look new Tolerances not ultra-precise, up to ±5% variation Raw metal finish can show minor imperfections

Perfect For:

This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a simple, clear way. It’s made for anyone who enjoys learning by touching, testing, and seeing results.

Ready to Purchase?

View Price on Amazon (paid link)

7. EISCO Density Cubes Set with Hooks – Includes 4 Metals – Brass, Copper, Aluminum & Steel – 1.25″ (32mm) Sides – for use with Density, Specific Gravity Activities

The EISCO Density Cubes Set is a hands-on learning tool for students. It includes four metal cubes made of brass, copper, aluminum, and steel. Each cube measures 1.25 inches on each side.

These cubes are perfect for science lessons. They help teach density, specific heat, and gravity. Each cube has a stamp for easy ID.

The set comes with hooks and a storage case. Some light rust may appear over time. Simply scrub it off to keep them looking new.

Pros	Cons
Four metals in one set for hands-on learning. Easy storage with a snap-top case. Stamped cubes for quick identification. Versatile for all grade levels and science topics. Simple fix for minor oxidation.	Metals may oxidize, needing regular cleaning to maintain appearance. Not ultra-precise, with tolerances up to 5% in dimensions. No advanced applications, best for basic educational use only.

Perfect For:

This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a clear, simple way. It makes learning physics easy, fun, and practical.

Ready to Purchase?

View Price on Amazon (paid link)

8. EISCO Density Cubes Set – Includes 7 Metals – Brass, Lead, Iron, Copper, Aluminum, Zinc & Tin – 0.8″ (20mm) Sides – for use with Density, Specific Gravity Activities

This set gives you 7 solid cubes. Each cube is made from a different metal. They come in a handy plastic case.

Each cube is stamped for easy ID. Size is a neat 20mm on each side. Perfect fit for classroom use.

Great for density tests and gravity lessons. Built for students and teachers.

Pros	Cons
7 metal cubes for hands-on learning Stamped labels make each cube easy to spot Durable case keeps everything neat and safe Perfect for classroom experiments and science projects Simple upkeep—just scuff off any oxidation	Oxidation may appear, needs scuffing to look new Tolerances up to ±5% reduce precision Not ultra-precise, made for classroom use only

Perfect For:

This set is perfect for teachers, students, and science lovers who want hands-on tools to explore density and specific gravity in a simple, clear way. It makes learning physics fun and easy to understand.

Ready to Purchase?

View Price on Amazon (paid link)

9. EISCO Density Cube, Brass (Br) with Element Stamp – 0.8 Inch (20mm) Sides – for Density Investigation, Specific Gravity & Specific Heat Activities

The EISCO Density Cube is a solid brass tool, perfect for physics classrooms. It’s 20mm cubed and has a Br element stamp for easy ID.

This cube is great for learning. Use it to study density, specific heat, and specific gravity. It’s simple and hands-on.

Some oxidation may show over time. Just scuff it off to keep it looking new. It’s designed for learning, not high precision.

Pros	Cons
Solid brass cube for reliable experiments Easy element stamp for quick ID Perfect for classroom physics activities Great for density and heat studies Durable, simple to refresh if oxidized	Not for high-precision work, tolerances up to +/- 5%. May show oxidation or corrosion over time. Limited to educational use, not for professional settings.

Perfect For:

This EISCO Density Cube is perfect for teachers and students in physics classrooms. It’s great for hands-on learning about density, specific heat, and specific gravity.

Ready to Purchase?

View Price on Amazon (paid link)

10. 5pcs Solid Wood Density Cubes Set, High Density Element Cube, for Element Collections Lab Experiment Material Heavy Small Objects Experience ensity, Specific Gravity Activities

5pcs Solid Wood Density Cubes Set, High Density Element Cube, for Element Collections Lab Experiment Material Heavy Small Objects Experience ensity, Specific Gravity Activities

This 5-piece density cube set is a great learning tool. It includes iron, copper, aluminum, and wood blocks. Each cube is carefully crafted for safety and accuracy.

The set is perfect for all grade levels. It helps explore density, heat, and gravity. The compact size makes it easy to store and carry.

The cubes come in a plastic snap case for neat storage. Some oxidation may occur over time, especially in humid conditions. This set is a must-have for science activities.

Pros	Cons
5-piece set includes iron, copper, aluminum, and wood blocks. Compact and portable, easy to store and transport. Smooth, rounded edges ensure safety and precision in use. Versatile tool for exploring density, heat, and gravity in science.	Metal cubes may show oxidation over time Small size makes them easy to misplace

Perfect For:

This set is perfect for teachers, students, and science lovers who want to explore density and specific gravity in a fun, hands-on way. It’s also great for anyone building an element collection or running lab experiments with real materials.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Specific Gravity Cubes make science fun and easy. They help students learn about density by hands-on testing. Teachers trust them for clear, accurate lessons.

Buying Guide for Best Specific Gravity Cubes

When choosing the right set, think about these key factors:

Material Variety: Look for sets with different metals like brass, iron, and aluminum. More materials mean better learning about density differences.
Size and Design: Cubes come in sizes like 10mm, 20mm, or 32mm. Smaller cubes are great for classrooms, while larger ones are easier to handle.
Durability: Choose cubes made of strong metals that last long. Some may show oxidation, but it’s easy to clean off.
Storage and Handling: Sets with hooks or storage cases keep cubes organized. This makes them easy to use and store.
Accuracy: Ensure cubes are precision-made for reliable experiments. Stamped labels help with quick identification.
Extras: Some sets include experiment manuals or activity guides. These add value for teachers and students.

With these tips, you’ll find the perfect Specific Gravity Cubes for your needs.