Tough on the outside. Smart on the inside. Ollie's polycarbonate shell protects its engine while the robot's design repels water. Drive it down the stairs, through the dirt, or straight into a wall. Ollie also has the brains to match its brawn. Onboard intelligence tracks distance, airtime, color preferences, trick combos, and more. It's time to upgrade your play. Water resistant. Shock proof. Li-Ion (included). For ages 5 years and over. EAN 851897003373. WARNING(S): Not suitable for children under 3 years old. Only to be used in water where the child is within its depth and under adult supervision.