Our multi-functional experiments set is designed to meet various scientific experiments needs. Crafted from robust copper, iron, aluminum, and wood, these cubes are built to last. Sleek, minimalist design, while the convenient hooks make it easy to use. Features -Color:Assorted Color -Material:Iron, wood, copper, aluminum -Size:5.00X5.00X5.00cm/1.97X1.97X1.97in -Size:2.00X2.00X2.00cm/0.79X0.79X0.79in -Size:2.00X2.00X2.00cm/0.79X0.79X0.79in -Size:3.00X3.00X3.00cm/1.18X1.18X1.18in -Size:2.50X2.50X2.50cm/0.98X0.98X0.98in -Built to last, this density cube set offer both durability and a practical using effect. -Designed for convenience, this density cube with hooks that allow for easy using. -Combining style and functionality, this density cube features a minimalist design. -Excellent for physics classrooms. Density Cubes have a wide range of educational applications. -Available in different material made, this density cube set can be chosen to fit various experiments results. Package list: 5 x Density Cubes