Turn your tub into a waterworks laboratory! Start by sticking the four suction cup rings to your bathtub wall one above the other. Then, place the three reservoirs and the propeller into the rings in any order you want. Just pour the water and watch what happens! One reservoir sprinkles the water like a gentle rain. Another speeds it up with great big raindrops while the third simply pours a single steady stream causing the bright propeller to spin fast. Rearrange them to experiment and discover how each one affects the speed of the water-flow. Or, play with each one individually, scooping up bathwater and raising it up high to see how it pours water in its own unique way. Little bathers become scientific explorers! Designed with food-grade silicone bottoms and high quality ABS plastic tops (dishwasher safe!), the DripDrip Bath Toy set is a wonderfully fun and safe experience that turns every bath time into an exploration adventure. DripDrip Bath Toy - Set of 3 unique cups that drip bathwater in a different way each - Encourages sensory exploration, cause-effect learning, experimentation, visual-spatial skills - Little bathers become scientific explorers! - Each cup drips water at a different speed - Cups sit neatly inside rings that attach to the bathtub walls with strong suction cups - Features propeller that spins when water is poured over it - Bottom halves of cups made of food-grade silicone, feature fun textures - Fun for the senses and safe for teething - Top halves of cups made of high quality ABS plastic - Includes 3 unique cups, propeller, 4 suction-cup ring stands - Dishwasher safe, highly durable, exceptionally safe for baby - Cups each measure approximately 3.75 x 3.75 x 3.5 inches