Makes Eggs Yellow and Red
Its best to have a full supply of green eggs for this trick Find a place in a level where you can aim straight up without hitting anything else ie level 68 would be a good one after you hit a door but dont go in yet Stock up on eggs if you dont have any then aim straight up Throw an egg and after it hits the ceiling once have Yoshi catch it with his tongue It should stop bouncing and be a yellow egg if it was green to begin with Throw another egg this time letting it hit the ceiling twice then catch it It should have turned red Doing this trick right will help you make your score better as red eggs give 2 stars that can be used on the Baby Timer that appears when Mario falls off Yoshis back
Unlock secret levels and bonus games
To unlock a bonus level and one of the 6 bonus games when you get a flower on a roulette on the end of the level finish a world with a 100 on each level to unlock the level and bonus game Here are the bonus games unlocked in each world
World 1 Flip Cards
World 2 Scratch n Match
World 3 Drawing Lots
World 4 Match Cards
World 5 Roulette
World 6 Slot Machine