The 26 building blocks are combined one side is the 26 English letters one side is 1 ~ 26 can let the baby to know the numbers letters colors and animal in the game.It can stimulate children's imagination and creativity! Regular drying. Because wooden toys easy moldy so put in ventilated place to dry to prevent the wooden play moldy. Manufacturered by HIPGCC. Can not be exposed to the sun. To prevent the emergence of crack wood paint. Can't be water cleaned. Because the wood will swell deformation.Can be used to clean damp cloth to gently wipe the toy or some natural cleanser gently wipe then dry with a dry cloth. Item name : 26 English letters building blocks puzzle toy