Get modules as needed in the appropriate places For more than 6 years Adults should accompany children to playThe assembly difficulties are moderate There are small items inside Use and place them carefullyThere is a Bluetooth remote control and you need to prepare the battery for yourself The motor delivers strong power and the rechargeable lithium metal battery provides power for the car You can download the app to controlThere is 1 remote control 1 24 Hz Bluetooth lithium battery 1 steering motor 2 L motor 2 M motor and an extension cableThe motors use excellent materials and are manufactured in highprecision shapes to make them smooth