Montessori Twist & Sort Puzzle - Toddlers Montessori Sensorial Materials, Wooden Early Learning Toys - TS101 This twist and sort puzzle help the child to sort the rectangular pieces in order. It has 3 different colored rectangular pieces and a base with two split sticks mounted on a vertical dowel. Kids will need to follow the track to sort all the three rectangular pieces. It helps the child to improve hand-eye coordination and geometric shape. It helps the child to improve the puzzle-solving skills with a manipulative pattern. Montessori Twist and Sort puzzles are one of the best gifts. Your child will surely enjoy playing with it and gain confidence in sorting the rectangles. Base Dimensions: Width: 5.5 inch Lenght: 5.5 inch Height: 4 inch Rectangle Dimensions: Width: 1.5 inch Length: 2.5 inch Thickness: 1/4 inch Age Group: 3 Years to 6 years Warning: Choking hazard! Small parts - Parental supervision required.