Cheat Mode
Go to Main menu -> Bonuses -> Cheats. Go Down, into the last 4 cheats with an icon ABC and enter the following codes. To activate the cheats press [Start] while playing.
BUTTERFLY - Russell attracts all butterflies.
AVIATORGOGGLES - Carl wears Muntz's aviator goggles.
BALLOONPARTY - When he jumps, Carl creates multicoloured balloons.
CARLHEAVYWEIGHT - To lift Russell end up in the air, Carl just needs to jump from the teeter totter.