They crash! They smash! They must be Cars 3 Crazy Crash and Smash RC! Use the Full Function Remote to go forward or turn in reverse. Watch out! Cruz Ramirez has crashed and some cars parts have come off! No worries. Just snap the parts back into position and Cruz is good as new and ready to race. Doors and hoods pop off but stay attached to the vehicles with filament cord to prevent part loss. Includes Cruz Ramirez Crazy Smash and Crash Car and 2.4 GHZ Multi-Channel Radio Control. Requires 5 AAA batteries (3 for the car and 2 for the Remote Control). Batteries not included. Recommended for ages 4 years and up.