Leonardo SticksSize: L=20 cm Weight: 700 GM Material: Birch ply. Color: Multicolor Minimum Age: 3 Years+ Number of Items: 100 piece In the 15th century, Leonardo da Vinci designed an ingenious method for building a self supporting bridge without the need for ropes or fasteners held together only by pieces of wood. This rainbow colored wooden Leonardoick Building Sticks Da Vinci's Bridge allows children to experience the brilliance of da Vinci's design and to