MELISSA & DOUG | First Shapes Jumbo Knob Puzzle | 46012053Dimensions 2. 54 x 2. 54 x 2. 54 cm Material Type Wood EASY TO GRASP JUMBO KNOB PUZZLE: The Melissa & Doug First Shapes Jumbo Knob Puzzle is an extra thick first shapes themed puzzle that features bright colors and illustrations of a charming cottage in an oval, circle, rectangle, square, and triangle. FULL COLOR PICTURES: Our wooden baby puzzles are designed with full color, matching pictures that appear underneath each piece. It's an ideal activity