GBC vol.7




Great Ball Contraption made from set 42025
This GBC can be use at Module
Batteries can be easy replace
Recommended number of balls: ±25

- improved Dual Propeller Push Module to perfectly take every ball. Rotor blade can not skip any ball
- changed some gears to make model faster
- changed size of every page to put more steps
- fixed some multiple submodels to use form "x2"

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Name GBC vol.7
Designer C3technic
Designed 2019
Inventory 1117 parts
Theme Technic
Alternate Build of 42025-1 Cargo Plane
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