VERSATILE DINOSAUR MODEL - Build customizable figures and structures with the K'NEXosaurus Rex Building Set! This STEAM toy allows builders to explore and discover the joy of construction as they create dinosaurs that actually move! All K'NEX parts and pieces are guaranteed for a lifetime of fun, and all K'NEX rods, and connectors are proudly made in the USA. Packaging may vary.

MORE THAN 250 PIECES - This building set contains 255 vibrant parts and pieces, all made of plastic with high-quality construction. The package includes iconic rods and connectors that snap easily together into 3-D configurations. Turn a child's imagination into reality as you build a customizable dinosaur with K'NEX Beasts Alive K'NEXosaurus Rex Building Set.

DOWNLOADABLE INSTRUCTIONS - This engineering education toy comes with easy-to-follow instructions to guide children through their building conquests. Unleash your kids' creativity as they make their own designs for open-ended fun!

INCLUDES A BATTERY-POWERED MOTOR - The K'NEX Beasts Alive Building Set comes with a battery-powered motor to operate the dinosaurs. Introduce your kids to the art of building and creating and the enjoyment of seeing their own creations come to life. This toy requires two "AA" batteries and is recommended for ages seven and up.

STEAMagination: It's the connection of STEAM (science, technology, engineering, arts & math) with a child's natural curiosity and creativity and it powers the fun of each and every K'NEX building set. Building with K'NEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects.

DEVELOPMENTAL BENEFITS: K'NEX supports key areas of a child's developmental growth. As they click the different parts together and discover how the building system works, they're strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination!

COMMITMENT TO QUALITY: K'NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience.

PARTS GUARANTEE: Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call! We'll get you what you need so that your child can get back to building as soon as possible.