Its going to be harder to get your child out of the tub than into it when bath time includes the Hot Wheels Race Rally Water Park Playset that really floats on water! Tip the filled water cup to start the race and use the palm tree diverter to change a car's direction or to indicate which car wins. The Hot Wheels Water Park set includes a die-cast vehicle, so fun can begin right away. This will quickly become one of your child's favorite tub toys. Not for use with all Hot Wheels vehicles.