Brand NEW Please note: The open box pictures is not from the item you will receive. It is from another box that I kept for my son. The item you will receive is in a Brand NEW never opened box. SOLARROBOT Build and Learn Powered by the Sun No Batteries Needed! STEM Solar Project Toy 11-in-1 231 Pieces Solar and Cell Powered 2 in 1 Educational DIY Assembly Kit Science Building Set Great Gift for Kids Aged 8+ All pieces are sturdy and durable, which are made of premium quality harmless and non-toxic ABS plastic. All pieces are produced by precise molds. The pieces that are easy to be confused are made in different colors, which not only ensures the beauty of the Project but also reduces the difficulty of assembly bringing you the best experience! 11 different types of Projects- This kit for kids comes with all of the parts you need to build real working Projects from the ground up! With a wide assortment of different moving and connecting parts like gears, plates, tires, and shafts, you can use the included blueprints to build 11 different styles of Projects, They come in all shapes and sizes. Unique transmission system and hydraulic system, can let children learn more. 2-in-1 Drive Motor- The Project kit includes a solar power panel and battery engine compartment. The solar power panel collects solar heat energy into an electric energy drive motor, which drives the gears to make the machine run smoothly. Offers your child practical experiences of working with green technology, let them learn about renewable energy sources. When it is dark or rainy your child can keep playing with the battery engine compartment. Enrich your child?s mind with the interactive challenges of building their own Project! The detailed instructions and variety of building part types will engage children and teach them STEAM logic as they put together complex puzzles and work to problem solve with a blend of critical thinking and creativity. This kit aims to help children build a solid foundation in Science, Technology, Engineering, Crafts, and Robot knowledge. See pictures for more item details. Trusted Seller- Fast Ship!