I had a craft fair coming up in 3 days and was freaking out about it until I thought, "what if I make a versatile, editable marble run?"After a few prototypes made with weak magnetic paint, I realized that I could use a pegboard and rubberbands instead!So, without further ado, I present... The Board...By: zakbobdop
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from Instructables: exploring http://bit.ly/2XHaMhb
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