50 Model Big Value Building Set - K'Nex Helicopters and preschoolers develop gross motor

and preschoolers develop gross motor skills as they play

we give them a path to realizing their full potential

Power Your Machines with the Sun's Energy Build more than 20 solar-powered models to learn about how solar cells convert energy from sunlight into mechanical energy

you can even hack together a cute little spy-bot that roams around and streams video back to the tablet screen

appropriate for ages 1+ 14-inch height (35

50 Model Big Value Building Set - K'Nex Helicopters and preschoolers develop gross motorLet your imagination soar with the 50 Model Big Value Building Set! Includes instructions ideas for 50 unique models like cars, ships, creatures, robots, and more. With 400 K'NEX rods and connectors the possibilities are endless! Parts can be stored in the convenient plastic storage tub. Perfect for builders ages 7 and up.