These rainbow-colored wooden Leonardo Building Sticks - Da Vinci's Bridge allow children to experience the brilliance of da Vinci's design and experience physics in a fun and colorful way! Older kids can challenge to build an arched bridge or a dome using only sticks and nothing else. Younger children will enjoy creating their buildings and structures with colorful sticks combined with other wooden blocks.
Material: basswood with non-toxic water-based stains
Dimensions: 120 sticks in a wooden box; each stick measures 7.1 x 0.79 x 0.14 inches