Let baby recognize numbers and understand the relationship between number and quantity. This set encourages cooperative and imaginative play. Bring your child a happy and fun study time. Manufacturered by bromrefulgenc. Develop children's hands ability observation space cognition stimulate children's intellectual math skills potential. Service guarantee:Any dissatisfied and unhappy with the Number Sticks Toyplease contact us first we will support you to deal with the problem timely. Made of high quality wooden material it is durable with non-toxic water paint.