Get your apple!
Cut your apple in half!
Cut the other half of your apple in 8 pieces like so!
Get the eight pieces and place them on your surface like so, and place the other half of the apple that you haven't used on top of the pieces. And use two of your pieces as the pinchers of your crab.
Microwave your vanilla chocolate until melted. Grab the other half of the apple that you haven't used and put 2 circles of your melted vanilla chocolate on it.
Grab 1 raisin, and cut it in half. Place the raisins in the middle of your "eyes".
Place the half of your apple back on the pieces (legs) and you're all done!!