12-in-1 Stem Building Set - This One of a Kind Building Set will provide your young engineer countless hours of nonstop action! Introduce your kids to the world of mechanics & endless imagination by challenging them to build their own cars, trucks, motorcycles, construction vehicles and more! - give your boys and girls the joy that comes with the sense of achievement & build their confidence. Our building toys for boys & girls develop life skills, preparing them for the world while having fun Fun & Educational Learning Experience For Kids: Put away the video games, phones and tablets and give your kids amazing hours of fun while learning and thinking. The Mobius 12-in-1 Stem Building Toy Sets is loved by both educators and parents for children to better understand concepts of science, technology, engineering, and mathematics as well as enhancing their problem-solving skills, fine motor skills, inspiring creativity, and overall brain development Real Working Mechanical Functions: Our awesome stem toys for 5 year old includes everything you need to build 12-in-1 construction vehicles all packed neatly in a hard plastic storage case. Set includes easy to follow step by step building instructions, so that your kids can build each of the 12 models. Each of the unique models have real working gears and functions for more excitement. It's time to learn while having fun! Superior High-quality: Made from High-Quality durable materials that will withstand countless hours of playing indoors and outdoors. Pieces are designed to be Durable & Thick Yet Flexible and lasts, making this an excellent choice when it comes to young kids and toys for 7+ year old boys. Each Mobius Toy Stem Toy Kit for kids arrives in an exciting gift box especially designed to make anyone simply go WoW! Amazing Gift: If you are looking for an exciting and cool building toy gift for boys then look no further. They will love our MOBIUS 12-in-1 STEM Construction Kit. It comes in a beautifully, designed Gift Box and is a great present for someone special! A great way to learn engineering for kids, this build and play kit has so much more to offer