Knex No. 88 Motorized Car Bldgset lets you build a motorized NASCAR car that can zoom around the room. The set includes all the parts you need to build the car, including a motor, batteries, and stickers. With this set, you can build a replica of Dale Earnhardt Jr.'s No. 88 Amp Energy/National Guard Chevrolet. The car features working headlights and taillights, and it can be customized with the included stickers. The set is recommended for children ages 5 and up.