This Melissa & Doug First Shapes Jumbo Knob puzzle encourages hand-eye coordination and perception skills. Product Features: House design with coordinating-shaped pieces Sturdy wooden construction Product Details: Includes: 5 pieces & base 1.5H x 12W x 12.25D Ages 1 year & up Model no. 2053 Promotional offers available online at Kohls.com may vary from those offered in Kohl's stores. Size: One Size. Gender: Unisex. Age Group: Infant.