Description: 【Material】: Wooden Abacus for Kids is made of wood and can be used by children without worries. 【Education and Fun】: Preschool Math Learning Toy is designed to make learning fun. It combines games with education, allowing children to learn simple arithmetic operations such as addition, subtraction, multiplication and division while playing. 【Multifunctional Design】: Wooden Frame Abacus adopts a multifunctional design to encourage creative thinking and imagination. It can be into various shapes to cultivate your child's ability to outside the box. 【Quantity Enlightenment】: Counting Rack helps children understand quantity in a playful way. It is an early math education tool that allows children to learn while playing. 【Package Included】: Educational Counting Toy contains a 10-layer calculation frame, 8 number cards and 2 bases for easy assembly and disassembly. Specification: Material: Wood Size Chart: 19.6cm/7.72inch Package Includes: 1 10 layer Counting Rack 8 digital cards 2 base Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.