POWERED BY WATER. AND IMAGINATION. Gears + oil = a mess. 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 (though not well-oiled) machine. Use COGS with PIPES Bath Toys for maximum fun. Gear heads unite! Spinning gears suction to bath walls Linked gears create a water-powered chain Includes 5 unique gears Can be used with Boon PIPES for even more fun! Recommended age: 12m+ BPA Free Wash thoroughly before initial use and periodically. Hand wash in warm, soapy water. Rinse with clear water and air dry.