Montessori Math Materials Numerical Rods for Preschool Early Learning Tool Let baby recognize numbers and understand the relationship between number and quantity, it makes learning fun and enriches the child imagination Eco-friendly wooden and handmade, 100% meet the stardard of the international REPORT EN71-3, ASTMF-979, follow the AMS & AMI standard The product could use at montessori kindergarten or homeuse for early learning development, or occupational therapy Nothing goes into the mind that does not first go through the hands