Meccano-Erector Junior, 3 Model Building Kit, Mighty Cycles 3 BUILDING MODELS - Let your child build 1 of 3 different model vehicle ideas (models can be built one at a time) e a Dirt Cycle, Chopper and Roadster or kids can mix match pieces to come up with their own original design for open-ended fun EASY TO BUILD: Contains 49 pieces including wheels, large connecting pieces, clipping screws and easy to follow building instructions. Snap on connectors make it easier and more versatile for younger children to play with this classic construction toy STEM TOY: For over a hundred years, Meccano has been promoting children's STEM (Science, Technology, Engineering, and Math) learning as they build and play . DEVELOPMENTAL BENEFITS: As kids connect pieces and discover how the building system works, theyre strengthening hand-eye coordination, fine motor skills, problem-solving skills, while exercising their imagination! For ages 5+. No batteries required. Includes: 49 Parts, 2 Real Tools, 1 Instruction Booklet