The last pic is the link to the site it has a you tube video of how to work it Get ready to rev and race with the new Power Wings. Grab the wing on the back and crank the motor to really get the car revving, then punch the launch button to race! With powerful built in fly-wheel motors, these machines are ready to tear up the track. Age: 3+ Batteries: Not Required Fully Assembled Features Powerful flywheel motor. Crank it up then hit the buttong to launch! Awesome styling, vehicles to rev up your imagination Durability tested high endurance parts to stand the test of time Specs 10″/25cm vehicle High power friction motor No batteries required No assembly necessary For ages 3+. What’s in the Box: vehicle