Add fun and excitement to your class with this delightful puzzle available only from Educational Innovations. Count the number of people shown, then move the top pieces and count again. Where did the 13th person go?!? A math and science lesson, a writing lesson, an art lesson, all rolled up into one fantastic puzzle! Observation, inference, metric measurement, creative writing and more... in a simple to use puzzle that is sure to please! Made of sturdy cardboard that will last for years. ~39 x 14.6 cm (~15.3" x 5.75"). Five pack includes template for students to create their own puzzle!