UpGLeuch 638PCS Technic Spare Parts Wheels and Gears Comapatible with Major Technic Sets, Technic Replacement Parts in Bulk-Gears and Axles, Gears Rack, Wheels, Pins

• TECHNIC PIECES BULK INCLUDES-The sets include all the pieces shown as the product page displayed. There are around 638 pieces in total including the gears, axles, gears rack, wheels, pins in different size and colors for different purposes.
• MULTIPLE PURPOSES- It is a great replacement or choice for project, a substitute for model assembly, perfect for creating your own model with your regular building blocks, etc.
• LARGE COMPATIBIITY-The set is compatible with the major brand bricks. It can be used for th building bricks model, such as the cars, robots, engineering cranes, and more other brick models.
• GIFTS-An awesome gift for someone who are fond of model building, suitable for birthday gifts, Christmas gifts, etc.
• MATRIAL-Pastic, it is simple to be assmbled, sturdy in quality.

638PCS Technic Spare Parts Gears and Wheels Comapatible with Major Technic Sets, Technic Replacement Parts in Bulk-Gears and Axles, Gears Rack, Wheels, Pins