marble run by Jett

I am doing the BP technology challenge, in my group I have Me(my name is Jett),Jordan and Lachlan E

today we did the challenge of making a marble run.the marble had to be the slowest from when it is realest to when it hits the ground. we got a FAIL. we got 25 straws , 1 card ,pins (as meany as we like)  1m masking tape and 6 crabord lines. as I said i got a fail. and we did't even finish.

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