Swimwyas™ Dive & Glide shark is a unique toy that does not require batteries or winding, with a flick of the wrist it zips, curves and glides through the water like a real shark!. Drop or flip the shark into the water and the shark will glide through the water for upto 40 feet (15 meters) underwater and rise to the surface on it's own. Choking hazard - not for children under 4 years old.