• wood
• Color learning block--made of wood material, lightweight, , without burrs, safe to use,preschool puzzles
• color cognitive -- to increase the hand-eye coordination, and their memory and cognitive ability,shape matching game
• Color cognition--each piece is selected and polished to make the surface smooth and safe enough,color sorting sensory
• Kindergarten --the versatility of this teaching aid ensures that students from preschool to kindergarten and even higher levels can learn from these colorful shapes, color learning block
• shape cognitive --the size of the building blocks is reasonable, suitable for the to grasp,color game