National Geographic 4-Cylinder Engine Building Kit – 175+ Piece Working Model with Moving Parts, Clear Visible Engine Model, STEM Building Toy with Tools & Learning Guide for Kids
BUILD YOUR OWN ENGINE – Assemble a clear 4-cylinder engine model kit with 175+ durable pieces. A fun DIY engineering toy engine that shows how pistons, valves, and gears really move.
WORKING MODEL ENGINE – Install 3 AA batteries (not included), press start, and see this visible engine model kit come to life as pistons, valves, and gears move just like a real car engine.
COMPLETE STEM ACTIVITY KIT – This kids engine build kit includes everything needed: 175+ parts, tools, illustrated instructions, and a Learning Guide for an engaging STEM toy experience.
FUN & EDUCATIONAL – Encourages problem-solving skills and curiosity while teaching kids about mechanics and engineering. Perfect model engine kit for young builders and hobby kits for boys and girls.
GREAT STEM GIFT – An exciting engine building kit for kids who love cars, building toys, and model kits. Inspires creativity and discovery through hands-on STEM play!
AWARD-WINNING PRODUCTS – Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
