The alphabet puzzle is made of wood. It has been carefully polished, so its surface is flat and smooth without burrs and will not hurt your hands. Size: The letter board panel is 29*22*0.5cm/ 11.4*8.66*0.2inch. Each letter conforms to ergonomics and is convenient for hand grasping. Package: You can get 26 pcs wooden english puzzle. Application: It can be used for early spelling learning for children to improve their ability to recognize letters. Advantages: This is a great children's toy with bright colors which attracts children's attention and curiosity and deepens memory.