The Little Happy Architect is a creative, open-ended construction set that encourages children to use their imagination and explore a whole new world of their own. The pieces slot easily together to build many different designs. Designed especially for little ones, the natural wooden pieces are lightweight yet sturdy and easy for little hands to grasp. This wooden construction set is brilliant for open-ended imaginative pretend play and for toddlers to practice their fine motor skills slotting the pieces together. It includes a variety of wooden sized pieces and can be easily packed away into a small box. Largest piece measures 15cm x 9cm and smallest 9cm x 9cm. They all measure 9mm in thickness.