DIY :: Super Sci-Fi Rocket fueled Jet Pack ( http://doodlecraft.blogspot.ca/2012/04/super-sci-fi-rocket-fueled-jet-pack.html )
Beautiful Crowns for a Girls Party: cardboard with spray paint, glitter, tulle train! Le Pingouin de L'Espace via Kickcan & Conkers
Monster feet craft...can make a few maybe
Socktopuses. Fill a sock with foam or cotton batting and tie shut. Cut legs from bottom and add felt eyes.
Water play A great water activity board - maybe someone's talented parent or grandparent could make one for your centre?
This cupcake liner crab craft for kids is simple to make, requires no painting, and makes a perfect summer craft for kids.
Fun jellyfish craft for an ocean unit.
Learning about sea turtles via The Very Busy Kindergarten: Under The Sea