Science & Play - Mechanics Crawler Tractor Top Picks Mum 1% of the sale of

1% of the sale of all Blue Q socks goes to supports the humanitarian work of Doctors Without Borders

as they are small and lightweight

50% cotton

External Dimensions 70 × 105 × 15 mm

Size: 12oz / 355ml 8

Science & Play - Mechanics Crawler Tractor Top Picks Mum 1% of the sale ofA sensational new kit to build a crawler tractor driven by an electric motor and cultivate a passion for mechanics! Over 200 components to build 20 models and technical applications. The tractor also has agricultural equipment driven by the motor via a mechanical transmission system. The components included in the kit include gear wheels, tracks, transmission module, panels, and an electric motor to build, disassemble and rebuild all the models. A