Pro'sKit 3-in-1 Spiral Spring Science Kit - DIY Model Mechanism Design for Kids 8+, No Batteries Needed, Build Robot, Sports Car, Timer - Clockwork Spring Power, World's First Plastic Spring, Made in

GEAR MECHANICS PRINCIPLE Learn the fundamentals of gear mechanics with this educational DIY kit. Each model demonstrates the practical application of gears and springs.

NO BATTERIES REQUIRED Enjoy endless playtime without the need for batteries or motors. The clockwork mechanism ensures a fun and eco-friendly experience.

3 MODELS IN ONE Build a robot, sports car, and timer all from a single kit. Each model offers a unique way to explore mechanical principles.

WORLD'S FIRST PLASTIC SPRING Discover the innovation of the world's first plastic spring, specially designed for this kit to provide consistent power and durability.

FOR AGES 8 AND UP Perfect for young engineers and science enthusiasts. This kit offers an engaging and educational experience for children aged 8 and older.

MADE IN TAIWAN High-quality materials and design from Taiwan ensure a durable and reliable product. Enjoy the craftsmanship and attention to detail in every piece.

1-HOUR ASSEMBLY TIME Challenge yourself with a one-hour assembly process. The moderate difficulty level makes it a rewarding project for kids and parents to build together.