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KNEX DIY upright launcher

Started by kermit , Jul 09 2016 04:00 PM

coaster ideas

No replies to this topic

Newbie

Posted 09 July 2016 - 04:00 PM

Anyone looking for an idea on KNEX motorized launcher starters. Check one of these out.

visit the video: https://www.youtube.com/watch?v=xSIGCEANETY

Edited by kermit, 09 July 2016 - 04:05 PM.

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