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this design Is straight up plain knex,(minus the wheels), this means that there are no elastic bands, springs, or flexi-rods included in the design. please feel free to modify the design and post your variation in the I Made It section. Happy building!

Step 1: The Main Frame

try to replicate the images as best as you can. Please comment if more pictures are needed.

Step 2: The Axel Arms

replicate the pictures as best as you can. Please comment if more pictures are needed.

Step 3: Attach

Step 4: Finishing Touches

add wheels to the yellow rod on the Axel Arms, they should spin freely.
Nice! Very useful :D
thanks guys
Pretty cool

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