First, bring up the cheats menu by pressing Up, Right, Down and Left on the D-Pad at the title screen. You can now enter the following cheats.
|My Team||Convert All Cheerleaders to Profile Character|
|Maestro||Converts base blocks to jingle blocks|
|Flower Power||Converts explosion effects to flower explosions|
|Blox Time||Enable Slow-mo in Single Player Mode|
|Tool Pool||Unlock all toys in Create Mode|
Thanks to Revolutionary Reader mosche1577