Features: Quality Metal Density Cubes Set: This set includes aluminum, iron, and copper, wood cubes, perfect for educational environments. Suitable for Various Users: Perfect for students, artists, designers, and engineers interested in creating three dimensional models. Versatile Usage: These cubes can be used in educational settings, arts and crafts, architectural designs, or as decorative ornaments. Durable and Easy to Clean: Made with sturdy materials, these cubes have a polished look that is easy to maintain. Their compact size makes them portable and convenient for storage. Wide Range of Applications: Explore the properties of different metals with these cubes, allowing for research on density and specific heat. They can also be displayed as collectibles. Specifications: Material: Copper, Iron, Aluminum, Wood Color: As The Picture Shows Package Weight: approx.170g Size: approx.4.5x4.5cm/1.77x1.77in (More Size Detail, Please See Photo.) Package Includes: 1 Set of Elements Cubes note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!