Sitodier STEM Building Set Toy | 811pcs Construction 25 in 1 Cruiser Ocean Ship Building Toy for 6 Years Up Boys | 25 Models Engineering Building Bricks Kit for Kids Ages 6 7 8 9 10 11 12 Years Old

25 IN 1 Building Block Set Toy: 10 individually packaged accessories with red serial number, a total of 811 pieces. Each different serial number package of small accessories can be assembled into three different models, and 10 parts packages can build a large engineering cruiser warship, your kids will get a awesome and educational building toy with 25 models in total(24 small models and 1 large cruiser)! Playing and Developing: This toy can keep your kids away from mobile games and electronic screens, so that they can really focus on doing one thing well. It takes about 10 hours to build this very large cruiser. If your kids can build this cruiser in their spare time within a week, that would be great. When assembling, he will learn some knowledge about engineering and construction principles, also can develop imagination and improve concentration. Clear Building Steps and STEM Toys: This building bricks set include full-color instruction manual. Easy to play and build for the kids and their friends. Its the connection of STEM (science, technology, engineering, arts & math) to develop kid’s creative power and cultivate child’s concentration. Enhance kid’s hand-eye coordination, problem-solving skills, increase parent-child interaction, and let children learn to cooperate and share. Compatible with All Major s: Designed in accordance with universal standards, Sitodier building bricks are compatible with your existing name building toys. You can build 25 different models according to the manual, or use your imagination to add other bricks to build other suitable models. All parts are easy to put together and don’t fall apart when you get to the top of the cruiser. Build your own cruiser, enjoy your own fun time, and start your dream of becoming a engineer. Safety & High-Quality After Sales Service: Sitodier warship cruiser building block toy is made of ABS plastic with high security level, all materials are kids-friendly and no-toxic. No smell, all parts are smooth and without burrs, colorful and solid. Sitodier is committed to providing customers with high-quality after-sales service. We promise to respond any questions from customers within 24 hours and guarantee a 100% refund if customers are not satisfied.