i am not responsible for anything stupid you do with this. have fun and be safe, Cartuner55
Step 1: Get the peices
1 white (or shiny gray) rod
1 blue or shiny blue rod
2 light gray 1 hole connectors
1 rubberband (i like using the blue ones in certain knex sets. They are stretchy but powerful.)
1 connector rod
1 target (a target is not a person or animal. a wall works best.)
time (approx 5 minutes if you are slow)
Step 5: Firing!
Step 7: Additions
a guy on youtube suggested this and his went 40 feet!