Will this melt in the sun?

Inside the sun, yes. In the sun on earth, no. If your are looking for something non toxic that melts below 90F, you want gallium (melting point 85.6F)

What's the purity of the metal?

The cube is 95% tungsten with nickel-iron for the remainder.

Why does the description say this only weighs 4.8 oz?

Hello, this item weighs 0.66lbs. We are unable to edit that shipping weight field, Amazon has entered it in error.

what is the measurement tolerance of the cube?

The cube is +/- 0.002" on all dimensions.

Tungsten Cube 1 | Desertcart France

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🧊 Hold the weight of innovation in the palm of your hand.

SAFE SLEEK DESIGN - Rounded, non-toxic edges ensure it’s perfect for your desk, classroom, or everyday carry without compromising style or safety.
ROCKET GRADE MATERIAL - Crafted from the very tungsten alloy trusted in aerospace and high-performance racing—own a piece of cutting-edge tech.
CERTIFIED AUTHENTICITY - Comes with a certificate of conformance and a fascinating fact sheet—because your curiosity deserves proof.
POCKET SIZED POWERHOUSE - A hefty 1" cube packing 10.4 oz of pure tungsten density—feel the weight of innovation in your hand.
CONVERSATION STARTER STRESS RELIEVER - More than a cube—it's a tactile executive toy that sparks intrigue and sharpens focus during busy workdays.

The 1" Tungsten Cube is a dense, lead-free tungsten alloy block weighing 10.4 ounces, made from the same material used in rocket ships and race cars. Its rounded edges ensure safe, non-toxic handling, making it ideal for educational use, executive desks, or everyday carry. Each cube includes a certificate of conformance and an interesting fact sheet, blending scientific authenticity with tactile appeal.

Specifications

ASIN	B012E6IWPC
Additional Features	Portable
Age Range Description	Kid
Best Sellers Rank	#169,578 in Toys & Games ( See Top 100 in Toys & Games ) #1,627 in Educational Science Kits
Brand Name	Midwest Tungsten Service
Color	Gray
Customer Reviews	4.8 out of 5 stars 294 Reviews
Educational Objective	Dexterity, Hand-Eye Coordination
Included Components	Certificate of Conformance, Interesting Fact Sheet
Is Assembly Required	No
Item Dimensions	1 x 1 x 1 inches
Item Dimensions L x W	1"L x 1"W
Item Shape	Cube
Item Weight	10.4 Ounces
Manufacturer	Midwest Tungsten Service
Manufacturer Minimum Age (MONTHS)	168
Manufacturer Part Number	MT-18F-1\\\"-cube
Material Type	Tungsten
Material Type Free	Lead Free
Model Number	893
Number of Items	1
Number of Pieces	1
Operation Mode	Manual
Play Activity Location	Tabletop
Product Style	Modern
Puzzle Type	Assembly & Disassembly
Size	1"
Skill Level	All
Subject Character	cube
Theme	science
Unit Count	1.0 Count

Reviews

L**E

4.01.2026

K**O

27.01.2026

M**K

19.04.2026

T**O

16.10.2025

H**R

22.06.2018

N**N

21.04.2026

I**N

8.04.2026

A**R

2.06.2020

Z**O

26.06.2023

Z**E

13.12.2023

E**N

14.12.2024

S**L

27.08.2024

S**T

16.02.2022

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€ 279.41

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In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Tungsten Cube - 1"

Description

Specifications

Reviews

Common Questions