20-in-1 Kids Balance Bike and Scooter Kit, Constructible Engineering Building Set for Ages 1-4, Safe and Eco-Friendly Materials, Silver | Aosom.com

The Constructible Kit 20-in-1 Balance Bike is a great gift for kids aged 1 to 4. This unique engineering kit lets children build and customize their ride-on vehicles, promoting both creativity and practical skills. Made from high-strength aerospace aluminum alloy along with eco-friendly materials, it guarantees both safety and longevity. With options for assembling at least 15 different forms, it offers limitless fun and imaginative play experiences for both children and parents.