This vibrant clay is soft, lightweight, non-sticky, nontoxic, and stain-free - perfect for young artists taking their first step into the magical world of clay creativity. The fun starts once you download the free app and gain full access using the code included in the box. Pick one of the six construction vehicles. Then, follow along with the interactive 3D step-by-step instructions to masterfully mold it onto one of the six free-rolling chassis. As kids build, they're learning real-life sculpting techniques. Plus, once it's finished, it's not just a model, it's a real toy construction vehicle they can play with! Dig into the thrill of clay creativity with the Hey Clay Construction Vehicles set.