The Learning Journey Long and Tall Puzzles- ABC Caterpillar - 51 Piece, 5-foot-long Preschool STEM Puzzle – Educational Gifts for Boys & Girls Ages 3 and Up-Kids will “inch” their way through learning the alphabet with this fun Long & Tall Puzzle - ABC Caterpillar. It measures 5 feet long and the colorful caterpillar features letters and objects with the same beginning sound. With 51 easy-to-grab jumbo pieces, this sturdy puzzle will keep little ones engaged for hours. Ages 3 years.