In like new condition. This was the 100 piece set and is now 84 pieces. We What you build is completely up to you. Lots of examples offered on the Qubits Toy Facebook, Twitter and factory website. Perfect for collaboration, this STEM kit encourages interaction while teaching fundamental concepts of engineering, architecture and math. Think outside the box. Creative STEM Toys - Explore engineering and design with Qubits building set that encourages creativity, problem-solving, and motor skill development. This link will get you a free idea book https://qubitstoy.com/products/60-page-inspirational-instruction-stem-ebooklet Fast shipping from a smoke free . Check out my 5 ⭐️ feedback and buy with confidence. I have some freebie items you can pick from and add to a bundle. Bundled items always get discounted!