Build and play with the dinosaurs, but watch out for the T. Rex! SmartMax My First Dinosaurs is designed for kids ages 1 - 5 years. Let the imagination roam free, and mix and match for crazy combinations. The soft animals simply click on the bars, making them ideal for little hands. Introduce your kids with the magic and safe world of magnetics. SmartMax My First Dinosaurs includes 14 pieces and is compatible with all other SmartMax sets.