The Big Steps Tubes 'n' Pipes STEM Learning Bath Toy creates double chain reaction water effects for endless bathtime fun! This 18 piece playset attaches to the bathtub with suction cups, so little ones can create and explore unique water pipe constructions.Pour water into the gauge funnel to set it spinning, creating delightful water sprays, or watch the propeller twirl for hours of educational fun! Designed to enhance fine motor skills and hand-eye coordination, this bathtime playset promises early learning fun and imagination.Bring construction and creative adventures to bath time! The Tubes 'n' Pipes playset lets little ones build unique pipe flows, stack cups and spin propellers, to splash, spray, learn and play!