Track Builder offers unlimited experimental building, stunting and boosting challenges with 7 different packs of cool component parts! Kids can create a dynamic route through any build with the Split Track Pack with multiple ways to play The parts can be combined to create a 4-to-2-to-1 elimination race when used together and includes a Hot Wheels 1:64 scale vehicle Connects to other sets and packs (sold separately) for building original and epic track builds Give them the gift of great ideas! Ideal for ages 6 and older Ready, set, BUILD the track of your dreams with Hot Wheels Track Builder Unlimited. The Track Builder Unlimited Split Track Pack is a part of the BUILD category and allows for awesome multi-car play with 2-into-1 transitions and premium straight track. Kids can create a 4-to-2-to-1 elimination race right out of the box! The Split Track Pack is one of 7 different component packs that let kids BUILD, STUNT, and BOOST. The BUILD category enables kids to create dynamic track paths in their Track Builder world. Connects to other Hot Wheels sets (sold separately) for infinite possibilities. Add to other packs in the STUNT and BOOST categories for even more fun or add this stunt to Multi-Lane Speed Box or Triple Loop Kit (sold separately). Great gift idea for ages 6 to 10 years old.