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how many day's will this take to build
i'm planing to build the gravity bike, and i'm a 12 year old. i'm planning to do it over the summer, and the weekends.
I also wanted to know how many day's will this project take I think it might be about 3 or 4 day's.
I an a 12 year old wanting to build furniture for my family and I. I also want to build technology like a smartphone, and all.
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