설명
Extraordinary Ball Contraption produced using set 42025
This GBC can be use at Module
Batteries can be simple supplant
Suggested number of balls: ±25
v2:
– improved Dual Propeller Push Module to impeccably take each ball. Rotor cutting edge can not avoid any ball
– switched a few gears to make model quicker
– changed size of each page to put more advances
– fixed some different submodels to utilize structure “x2”
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