Catapult Instructions for SploidsŪ Construction Blocks.

This 3d view shows the locations of the Sp!oids.
The base is 14 x 10 units.
Note the 2x plates to the right of the Sp!oids.
Cap off the K'NeX hubs with some Sp!oids.
One more set of Sp!oids forms the "stop".
A Sp!oids cap helps keep the hub in place.
Add the catapult mechanism.
Connect up the rubber band and you're ready to go!

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