i built this gun and loved it. except for one thing. the sturdiness. so... i modded it. this mod helps alot. its alot better to hold. hope you like it.
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: Build the Gun
go build the gun here. https://www.instructables.com/id/the-slim-jim---knex-gun/ its not too difficult
Step 2: Build the Mod
Build from the pictures. its not a hard mod at all.
Step 3: Connect