Booby Trap Your Drawers

Materials

cd case
cup
rubber band
nail
drawer


use a lego piece and attach it to the drawer
if u don't want to directly hot glue it to the drawer

after you have attached it

glue the cd case to the lego piece

put the rubber band around the case then nail it to the drawer

glue the cup on

to load push it down put stuff in push in drawer

easy enough right

Fill it with anything u like
it might shoot at the ground at first 
put a stopper so it shoots out earlier