Stack and Learn! Count, match, stack and play with 123 Wood Stacking Puzzles from Crocodile Creek! These beautifully illustrated wood puzzles have a myriad of options for learning and play. Little kids can learn to identify the numbers, learn to count, and match the numbers to the underlying images! They can stack the animals and help develop fine motor skills and coordination. Each base has an illustrated piece on the reverse side to encourage more creative learning and play.