Easy DIY candleholder: Dip 48 inches of yarn into a one-part Elmer's glue, two-part water solution. Squeeze out excess; wrap strand around clean baby-food jar from top down. When dry, add an LED tealight.
Paint blocks of wood with glow in the dark paint, then have some fun with black paint for their faces. OR Paint the wood black and the faces with glow in the dark paint so the eyes and mouth "float in air".
Mini Spinning Ghosts and Free Pattern Cardboard Spinning Ghosts with free Patterns--These are so easy and cheap! If you have cardstock on hand, they're free! (I've included a printable for tiny ghosts.) These are perfect for class parties!