Make the water flow! Immerse the pump bottom in water to the indicated level, then move the handle up and down to make the water flow! Transparent pump allows kids to see how it works. Sold in assorted colors (let us choose your color). Pump measures 9 H. For ages 18 months and up. Play is an integral and necessary part of a child’s development and education. This philosophy is at the core of our product development and drives us to continue developing and sourcing new and innovative products.