Stimulate your baby's senses with this colorful First Shapes Jumbo Knob Puzzle from Melissa & Doug. This sturdy wooden puzzle is designed like a house with an oval tree, a triangle rooftop, rectangle door, square window and a circle sun to finsh this picture perfect first educational puzzle for babies. The large knobs make it easy for little hands to grasp. A total of 5 shape puzzle pieces. Measures 12 x12 inches.