How to Make a Knex Grenade!

parts needed
8 green connectors
8 red connectors
2 full moon connectors
4 black connect pieces
1 orange line connector
2 blue rods
1 red rod
and 8 yellow rods

first build 8 of this

it will look like this

then take your 2 full moon connectors

and insert your pieces like this don't push to hard just enough so they fit in and don't come out sorry you may have to tilt your head

then do it with the rest and it should look like this

then build this now your done just feed this through the holes in the full moon connectors and pull it out when ready it has a blast radius of about 2 meters

this is what it should look like