Technical Parts 886 Pieces Retail Price: 3460 Yen Axle Chain Link Lego Axle 2L/3L/4L/5L/6L/7L/8L/9L/10L/11L DIY Blocks EV3 Compatible with Parts Random Colors, Affordable Price: The part numbers and pieces are as shown in the photos. Instruction manuals are not included. Fully compatible with major brands, easy to assemble and disassemble, made of environmentally friendly ABS plastic. Rich Collection: This set contains a total of 886 parts, providing a wide range of technic parts to meet all your building needs. Complete Compatibility: Fully compatible with major brand technic parts, perfect for MOCs, automobiles, STEM projects, building, block repairs, replacements, and upgrade parts. Creative Learning Tool: This set includes various technic gear parts and pieces, allowing parents and children to unleash their creativity and imagination for hours of fun building.