Synchronizing Wheel Short Shaft Belt for Toyan RC Engine Model Style:Large Kit enable kids to think about

enable kids to think about basic principles of the universe

and first use 30-80% of the throttle

teaching models

Father's Day

stable operation

Synchronizing Wheel Short Shaft Belt for Toyan RC Engine Model Style:Large Kit enable kids to think aboutSynchronizing Wheel Short Shaft Belt for Toyan RC Engine Model Features: . This kit is suitable for Toyan engine model . Large Kit The shaft diameter is 18mm and the belt circumference is 280mm . Small kit: The shaft diameter is 10mm and the belt circumference is 200mm . For Ages: 14+ Specifications: . Color: As Shown . Material: Metal . Product Weight: 150g . Package Dimensions: 12 x 8 x 5cm . Package Weight: 170g . Packing: Bag Package Content: . 1