Spindle CD Case Dry Zone
Use a spindle CD case to make a dry zone for your fiddler crabs! Drill a hole through one side of the spindle and feed an airline tube up the spindle and through the hole. Cut out a doorway for your crabs along the bottom edge of the lid. Place small rocks and decorative objects in the CD case for your fiddler crabs to enjoy and set a large rock on top of the CD case as a weight.