Plus-Plus is a unique construction toy. Its one simple shape, which looks like a double plus sign, contains endless possibilities. Assemble pieces flat to create a 2D design, or build 3D structures. Even curves are possible. Precision crafted in Denmark, Plus-Plus sets are compatible with each other. Set contains everything you need to create cool cars and other awesome vehicles: 360 pieces, 9 wheels, and 2 chassis baseplates. Includes a guide book with step-by step instructions to build 2 different race cars, a trailer, a motorcycle and more. Each piece measures 3/4 x 1/2". Wheels measure 1-1/2 x 1/8". Chassis baseplates measure 1-7/8 x 1-3/8". BPA-free and phthalate-free. For ages 5 and up.