hot wheels track builder unlimited loop kicker pack glc90 en gbReady, set, BUILD the track dreams are made of with Hot Wheels Track Builder Unlimited. Their loop stunt just got even more epic! Boost car's momentum through loops with the Loop Kicker Pack! When kids are finished playing, they can collapse the loop for easy storage. The Loop Kicker Pack is one of 7 different component packs that let kids BUILD, STUNT, and BOOST. The BOOST category are accelerators that keep cars racing through tracks. Connects to