Super compact, easy to build, small but smart, horizontally-stackable to the infinite, these are some of the characteristics of the Ball Bin Stepper GBC module from Pinwheel. This Great Ball […]
Read more– Build the best Lego(R) Great Ball Contraptions and Lego Automaton
Super compact, easy to build, small but smart, horizontally-stackable to the infinite, these are some of the characteristics of the Ball Bin Stepper GBC module from Pinwheel. This Great Ball […]
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