Powered by water. And imagination. Gears water = hours of bath time fun. COGS suction to the bath walls and spin when water is poured over them. Positioned just right, they work like a fine-tuned machine. (No oil included or needed!) Use COGS with  or bath toys for maximum fun in the bathtub! Gear heads unite!

Features

• Spinning gears suction to bath walls (or the refrigerator for out-of-bath fun)
• Linked gears create a water-powered chain
• Includes 5 unique gears
• Can be used with Boon or  for even more fun!
• Made without BPA
• For 12 months and up