Footballs
Not very interactive, but it has some use. Has three speeds with a little inertia & bounce.
After a bit of practise you can make it go where you want it to.
1. Kicked by Snake
2. Kicked by Lucy
3. Kicked by Yorick
4. Moves other Footballs (with some basic force transference)
5. Opens Doorways
6. Bursts Bubbles
7. Activates a Roller Switch
8. Activates a Level Door
9. Destroyed by Spikes
10. Moved by Venom
11. Destroyed by explosions
12. Moved by Crushers (and not destroyed)