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Comment: I figured out the sizing problem. The larger pieces on page 4 are too big. I used my pi…
Comment: Can you post where the original files came from for two reasons: 1. That person can get…
Comment: This a is terrific concept. My physics students would enjoy this as much as, if not mo…
Comment: Thank you so much for this. My ten year old just built one and it has a good range wit…