Brand new in the green start? series made from 98% post consumer recycled materials and printed with eco friendly inks, this extension brings earth-friendly messages and all natural materials to the joy of creating beautiful floor puzzles. Packaged in reusable totebox, each of these floor puzzles reveals a unique, endearing scene that kids will love to build A fun double-decker bus contains six square windows of the same size and shape that can fit into any of the spots but need to be rotated so the animals face right side up. Border of each piece matches color inside well.