The TB-13 Replacement Hot Wheels Track Builder Speed Boosters are blue 1:64 scale power boosters designed for the Track Builder System. Made by Hot Wheels in China, these replacement parts are perfect for enhancing your track builder experience. The set includes a battery pack for added power and comes tested to ensure quality. Ideal for children aged 8-11 years, these speed boosters are a must-have for any diecast and toy vehicle enthusiast looking to expand their track collection.
