Pathfinders STEM Kit – Leonardo da Vinci Helicopter Model kit Science Kits | stem Toy Physics Toys | Engineering | Learning Resources

Pathfinders STEM Kit – Leonardo da Vinci Helicopter Model | Wooden Building Kit for Kids Ages 8-13 | Educational Science & Engineering Toy | Aviation-Inspired STEM Project

Pathfinders STEM Kit – Leonardo da Vinci Catapult | Wooden Building Kit for Kids Ages 12-14 | Trebuchet Engineering & Physics Toy | Hands-On STEM Project

PATHFINDERS STEM Kit – Leonardo da Vinci Ornithopter | 3D Puzzle & Engineering Toy for Kids Ages 9+ | Educational Science & Learning Resource | Fun Gift Idea for Girls