🚜【Compatible With Major Brands】The technical parts are designed to complement major brand components and well compatible with the standard building blocks of major brands.
🔧【Technical parts gears included】The technical parts contains track wheels,track auxiliary wheel,tank tracks,track cleats,beams, with/without friction pin connectors, chain links, shaft sleeves, shock absorbers and cross axle series, etc.
🗜️【Good Quality】All technical parts axles are made of friendly ABS plastic, which is highly compatible, strong and not easy to break.
🔩【STEM】In the study of STEM, teens can use their imagination and open-ended design to promote healthy and happy growth of teens through brain and hands-on, and cultivate teens' innovative thinking, practical ability and accumulation of knowledge. Provide teens with a solid foundation in science, technology, engineering and mathematics from an early age. Promote and stimulate teens' creativity and curiosity
⚙️【Service】Usually all parts are included in the package. If any parts are missing, please send us the relevant description and picture, we will send you the missing parts free of charge.