Place an invincible immovable object under the bomb dispensing pipe chunk to prevent the bombs from hitting the gas reserves. Equip Maxwell with a flying device. Fly over and flip the Green switch. Descend to the bottom level. Locate and flip the Red switch. Retrieve the starlite.

Round 1:
Flying shoe
Invincible immovable Platform

Round 2:
Talaria
Invincible immovable Sofa

Round 3:
Wings
Invincible immovable Table

Scribblenauts Remix 14-8 Cheats Hints gallery:
14-8-1-a: Bombs Away!
14-8-1-b: Prevent the bombs from hitting the gas reserves.
14-8-1-c: Clear the barrels before opening the first door.