No helium needed to fill balloons for parties.just vinegar and baking soda! I NEED TO REMEMBER THIS! this is important since helium is not a renewable source and is in such short supply-kid science project
DIY crafty Yarn-wrapped Letters: Buy some inexpensive wooden letters or make your own out of cardboard/craft foam. Find some brightly-colored yarn and wrap it around the letters, applying craft glue as you go.