This wooden knob puzzle from HABA combines animals and counting for hours of learning and fun! Toddlers become acquainted with the numbers one through ten while working on their puzzling skills. This lovingly illustrated puzzle is made from high quality plywood, featuring easy to grasp knobs. Develops fine motor skills, number recognition, and hand-eye coordination. Best for ages 2 years and older. Approximately 20" long, x 6" wide x .5" thick. 21 wooden pieces.