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this can change height
piece count: rods: blue:3 yellow:8 red:8 gray:1 connectors: red:6 purple:4 yellow:1 blue:4 white:1 extra: tan clips:4
Knextrampolineby colton blake
Rainbow Trampoline ?? Using Only Pool Noodlesby liz lindke
The Ultimate Guide to K'nex Ball Machine Elementsby Darth Trainman
Wrestle Ballby Kinetic
knex ball machine "Crazy"by Sorunome
The Element a k'nex ball machine 2014by www139
Knex Ball Machine: Paradox, new elementsby sandroknexmaster
Propulsion Knex Ball Machineby collinjo12
Mount Olympus - A K'nex Ball Machineby rrobinson1999
Trampoline Soccerby tzman
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