lol, those are great

Quick list of some of the better objects:
Arial scarf (lets you fly, like many things, it's just quirky)
Mech (powerful mech I found when typing in "mechanosaur". Can kill a Cthulu in 2 hits!)
Teleporter (takes you to a secret lab)
Time machine (takes you to the past)
Arcade machine (lets you play a mini-game)
Shrink ray
Balloons
Rocket Boots
Intangibility ray
*edit* a few more:
Harmless antimatter (attracts anything to it, but doesn't destroy it)
small/tiny RC helicopter (tap to control it)
Sonic [flying object] makes it very fast - and powerful if you're lifting something.
cannibalistic [object] if you're have trouble with an invincible steel door, drop a cannibalistic invincible steel door on it.
raincloud/tempest etc for putting out fires. water is innefective, ice is better, but a raincloud keeps going
Jackhammer (for rocks)
I'm going through right now trying to finish the advanced levels and get the final few merits.