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Picture of Knextrampoline
Today I will be showing you how to make a knex ball trampoline.
 
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Step 1: The frame 1

Picture of The frame 1
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Make two.

Step 2: The pegs

Picture of The pegs
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In this step you will add the pegs and support beams.

Step 3: The rubber bands

Picture of The rubber bands
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For this step you will be adding the rubber bands.

Step 4: Done!!!!!!!

Picture of Done!!!!!!!
You are done with you're own knex ball trampoline. Stay tuned for more. I may make a ball machine called Project Catastrophic.