Watch marbles run down the crazy slopes and twisting turns

every detail is built to capture the silent force of an ocean predator

The "One-Touch" three piece chassis requires no glue and is a breeze to assemble

#20181 Red and blue

Futaba - GY470 Tail Gyro (HELI) COR00289 Watch marbles run down theFeatures: Dedicated RC heli setting Remote gain function and mode switching function Integrated, compact, and light weight Easy setup Supports S. Bus S. Bus2 Connection Only for Futaba digital servos Specifications: OPERATING VOLTAGE: DC 4. 2 8. 4V SIZE: 20. 5 mm x 20. 5 mm x 11 mm 0. 8 in x 0. 8 in x 0. 43 in WEIGHT: 3. 7 g 0. 13 oz