Yookidoo Spin N Sprinkle Water LabMake bath time or water play more engaging and fun for young children! This wacky mad science lab sets off an exciting chain reaction of 10 surprising water sprays and endless curiosity for budding scientists and water babies alike. Suitable for 1 3 years old. Features Attach the water lab to the tub with the suction cups, fill the test tube with water with or without the help of the metered marks of measurement on it and pour it into a funnel. Then