I'm having way too much fun with this...
Ya, like people have said, this seriously needs to be downloadable. Maybe some more items too, heh. But I've found some fun stuff for people to try!
1) As many baseballs as you can + Low Grav. Vortex = Baseball Meat Grinder
2) Grab'em with the fist. Bring'em against a wall. Take your mouse outside, and around by the opposite wall. Bring the mouse back inside the window.
Great job =D