Our Birthday Cake Incentive Stamps are great for grading papers decorating cards and gift bags They re also a fun way to track goals and provide positive reinforcement for children of all ages They are made to fit Creative Shapes and more Incentive Charts Personal Incentive Charts Bookmarks and Job Charts Specifications . Design Birthday Cake. Image Area Size 0 5 x 0 5 in . Wooden Peg Size 3 in