This is the back axcle of Remote Control Heavy truck home action. This materail: - DC motor. - Old pen. - Old Helicopter's body part. - Bamboo chopstick. - Fan net. - Push pin. - Cardboard. - Super glue. - Spur gear 3 kind. - Remote Control and Circuit board. Another action will show you on the next video. Please click Subscribe my channel for other free video. Like, Share and Command. Thank for watching.