Channel: Akiyuki Brick Channel
Category: Science & Technology
Tags: ballmarblelego (interest)technicテクニックgreat ball contraptionmachineボールgbc玉レゴピタゴラ
Description: A Lego Great Ball Contraption (GBC) module. Controlled by a mindstorms NXT brick. Two 9V motors and one PF-XL motor are used. Building time : 60hours legokarakuri.blog91.fc2.com/blog-entry-68.html