The Mattel Mega Bloks 3-in-1 Dinosaur Building Set with Teeth (ref. JMK85) offers 25 large pieces for building, playing, and creating prehistoric adventures. This educational toy allows you to create three different creatures—a T-Rex, a Pterodactyl, or a Dragon—all equipped with wheels that spin and an articulated mouth that opens and closes with a teething effect. The easy-to-assemble and safe blocks for small hands stimulate fine motor skills, hand-eye coordination, and problem-solving in children aged 1.5 to 3 years. It's the ideal gift to introduce young children to the world of creative building with fun and durable dinosaur toys.