0.39" Element Cube Set 10mm Density Cubes Copper Iron Bismuth Titanium for Periodic Table Collection Up to 99.99% Purity (0.39“, 9-01)

0.39" Element Cube Set 10mm Density Cubes Copper Iron Bismuth Titanium for Periodic Table Collection Up to 99.99% Purity (0.39“, 9-01)

Arthink Moving Sand Art Picture in Motion Round Glass 3D Deep Sea Landscape, Dynamic Sand Art Sandscapes, Sensory Relaxing Desktop Table Decor Desk Decor Art Desk (7 inch, Blue)

Ferrofluid Magnetic Display Toy – Dancing Ferrofluid Visualizer & Liquid in a Bottle – Interactive Desk Toy with Magnets – STEM Fidget Gift for Kids & Adults – 2ml