Stanley Jr Pull Back Super Truck Kit Introducing the Stanley Jr Pull Back Super Truck Kit. The Stanley Jr DIY Pull Back Race Car is perfect for racing with your friends and family. Simply build the kit, paint it, pull back and race! Each build a race car kit includes pre-cut wood pieces, plastic race car parts, decals, and screws and nails. Little crafters will fall in love with their finished project and enjoy a sense of accomplishment when they play with a wooden toy race car that they have created using their own imagination and skill!