First launched in 2013

Longer arm

conveniently charging a quality 5000mAh 2S LiPo pack at 10A in less than 30 minutes

The base features compartments to keep spare bits from rolling away

Robotime - ROKR Butterfly DIY Mechanical 3D Puzzle Upgrade Parts Car and Truck Engine and Servo Mounts First launched in 2013Mysterious 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