The toys are made of high quality solid wood, and surface painted with safe coating. ^ Your children can play with these educational toys safely, and the handles are easy for little hands to grasp.^ Your kids can rotate these educational blocks to form many different three letter words.^ In addition to learning letters and increases words recognition, also help kids to develop spelling and memory skills, hand and eye coordination, creativity, imagination, curiosity.^ They are sturdy and durable, and they can be used for many years.