The Carrera RC ULTIMATOR is your 'go-to' all-terrain ride! Whatever your racing surface, whatever the challenge, the Ultimator guarantees you'll be ready. One push of a button on the controller switches you from wheels to tank treads to master every obstacle ahead. If more speed is needed, just press the button back to wheel drive. Even if it rains, you're ready to rove as the spray-proof bodywork of the Ultimator never fails in wet conditions.