hot wheels track builder unlimited rapid launch builder box gvg11 en gbHot Wheels Track Builder Unlimited Rapid Launch Builder Box is the all in one track building set that will wow any Hot Wheels fan. It features the necessary components to build three unique stunting routes that include double loops, a ramp jump, and a gnarly track configuration where cars race through a fast turn before speeding off to other adventures. Kids use the innovative 4 car magazine to load cars into the centrifuge launcher that sends