Mt grandsons love these toys. You just wind them up anmd let them go and they swim across the water. They are fin for the boys to play with even when they are not wound up. The bright colors and easy hold have them playing with them nonstop. #Rankboosterreview #Sponsored #Dmeixs https://www.amazon.com/Dmeixs-Toddlers-Floating-Eco-friendly-Material/dp/B071NTY44G