Trick your eyes and brain with these amazing spinning-top illusions!

Insert a bath fizzer into the volcano chamber. Place the volcano into a bath tub filled with water and experience the power of undersea volcano eruptions - It’s a cool science gadget for bath time!

Put the Earth’s natural wonder in your palm!

Put the Earth’s natural wonder in your palm. Perform “volcanic eruptions” on a table top, in the bathtub, or even in a glass. It’s an awesome science gadget!

The amazing baking powder engine. Fill it with baking powder and watch it dive and resurface.

2 Mini diving submarine powered by baking soda! Place them in a glass of water and watch them dive and resurface again and again.