Tungsten Cube - 1.5" - One Kilogram Description Features: This is the cube you're looking for Surprisingly heavy. Great conversation piece. Aerospace grade tungsten alloy cube. A perfect complement to the 1.5" Aluminum Cube! Check it out Edges are rounded for safe handling Product Details: Brand: Midwest Tungsten Service Number of Pieces: 1 Material: Aluminum Age Range (Description): Kid Shape: Cube Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 1.5 x 1.5 x 1.5 inches; 2.21 Pounds Item model number ‏ : ‎ 893 Date First Available ‏ : ‎ May 20, 2015 Manufacturer ‏ : ‎ Midwest Tungsten Service Best Sellers Rank: #145,165 in Toys & Games (See Top 100 in Toys & Games) #484 in Puzzle Boxes #484 in Puzzle Boxes Customer Reviews: 4.8 4.8 out of 5 stars 392 ratings