Additional Castle Link benefits include:

8th Air Force

The links eliminate axle wrap and unwanted axle steer

Assembly Time: Around 1

Robotime - ROKR Butterfly DIY Mechanical 3D Puzzle RGRA1300V2 Additional Castle Link benefits include:Mysterious butterflies have experienced a magical mechanical evolution! Mechanized bodies means to face more difficulties and challenges. Nature is full of mysterious beauty. ROKR will turn its attention to the light and beautiful butterflies, bringing you a new mechanical species ROKR Mechanical Species Butterfly. The butterfly has two cool looks: MI05P and MI05B. One is a mysterious and elegant starry blue; the other is mostly rose pink, giving off