Quality: Expertly crafted from 99.9% pure silicon, the bedrock of modern electronics. Exceptional Precision: Meticulously designed with a dimensional tolerance of +/- 1 mm, manifesting premium craftsmanship. Science in Hand: Perfect for delving into the elemental properties, making science tangible and mesmerizing. Elegant Design: With its lustrous finish, it's a fascinating addition to any elemental collection or decorative setting. Educational Gift: A gift option for enthusiasts, educators, and collectors, while also serving as a sophisticated paperweight or decor piece. size: 2.54 x 2.54 x 2.54cm Material: silicon colour: As Shown Package Contents: 1 x Silicon Density Cube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.