Gremlin Box by Timco Magic (watch video).
High quality light and heavy chest. Box can be picked up at your command, otherwise it will not budge. All wood construction with brass accents. Industrial grade, never fail gimmick. Comes complete with gremlins and instructions. Easy to do! Packs small, plays big for all audiences. Box is 8"x8"x8".
Gremlin Box by Timco Magic (watch video)