Boomerang

Boomerang
Type	Weapon
Behavior	Returns to thrower
Synonyms	Throwing stick
Available in	Scribblenauts, Super Scribblenauts

A boomerang is a very useful object. It can go through walls and unless you move, it will always come back to you. In Super Scribblenauts it does not always return when it hits something. Gluing a melee weapon (like an Ax) to it makes for a powerful, reusable weapon.