GEARS + WATER = HOURS OF BATH TIME FUN. The Boon COGS Building Bath Toy Set suctions to the bath walls and spins when water flows through them, creating a fun chain reaction. These colorful suction gears encourage creative play and allow little ones to interconnect them in various ways to create different water paths. Combine these gears with other Boon bath toys for even more complex paths and extended play. This set is perfect for babies aged 12 months and older, making it an ideal gift for birthdays or holidays. It is designed for little hands to easily grasp and manipulate, promoting motor skills development and water confidence.