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Turn the paper clip crank handle and Santa pops out
Make your own STEAMJunk Running Santa! Download the full instructions
Turn the handle to make the Scotch Bird fly! The
The scotch yoke mechanism converts rotary motion from the crank
A simple crank based automata. Turn the crank handle to
Paper Mastodon on a clothespin! Squeeze the peg to make
Swan in a matchbox! Open the matchbox and the swan
Paper dragons! Check out these two paper projects to download
Make this self supporting bridge from twigs or sticks. Inspired
