Creative, open-ended play in every way, these wooden educational toys let children create their own masterpiece. Whether it be one building with all pieces stretching wide, or lots of individual buildings, children can let their imaginations decide. Decorating one side as they choose, or practicing their words by naming buildings with words like library, school and home. Great for open-ended imaginative, pretend play as well as the fine motor skills involved in slotting the pieces together. The Happy Architect pieces include a variety of different sizes wall pieces with different shaped windows and high doors. The largest piece measures 5.9" wide x 9.6" high, made from sturdy 9mm thick wood. Includes 28 natural wooden pieces, with chalkboard on one side, the set is compatible with other Happy Architect products.