Assembly Wooden Puzzle Cross Fire Line Physical Circuit Experiment DIY STEM Educational Toy

8 Years and Above. Cross Fire model with detailed steps assembly instructions. Eco-Friendly 3D Puzzle set. Fun and Imaginative STEM Educational toys. DIY science engineering project for children or adults. Good STEM toys for girls or boys as birthday gift or school science fair project or weekend family activities. Easy to assemble building kit-comes with everything you need to building an Line Physical Circuit Experiment Model and detailed steps assembly instructions. Intro to Engineering-Learn real world application by building 3D puzzles with motor and snap circuits. This include all the tools and materials necessary to complete this mechanical structure. Eco-Friendly 3D Puzzle for Adults and Kids-This kits are safe and stimulating fun. Perform rewarding science experiments with your family or friends. Perfect scientific gift for kids or Teens and Adults. Artistic Creative-The wooden pieces of the model can be painted. This will add another layer of fun and creativity to the entire