Rhode Island Novelty Jacob's Ladder-old Fashion Colorful Wooden Toy -2 Pack Toy consists of blocks of wood held together by ribbons. When the ladder is held at one end, blocks appear to cascade down the strings However, this effect is a visual illusion which is the result of one block after another flipping over The interlaced ribbons allow each block to act as if it is hinged to the next one at either of its two ends A Classic Old fashion toy that your never too old to play with.