Many hours will be spent playing with this. It appears to have a never-ending cascade of blocks dropping down and also you can do several magic tricks and form multiple designs using this Jacob's Ladder. It is a wonderful “show and tell” item for classroom fun and fascination for everyone. The Jacob’s Ladder has been handed down through many generations and you may remember one from your childhood. A complete instruction sheet is enclosed.
2 1/2" wide X 3/8" thick X 18 1/2" long when unfolded