Wooden stacking and balancing toy consisting of 10 tree branches, a trunk, and 6 birds Played alone or with others, stack the branches to create and tree and add the birds to retain the balance tree Reuse the pieces to create additional creative and challenging balanced structures. The longest block measures .8 x 5.9 x .4 inches Award winning toy suitable for children 3 years and older. Helps children develop fine motor skills, and the concept of balancing Sustainably crafted from chemical free rubberwood trees, formaldehyde-free glues, organic pigments, water based dyes, and safety tested