Wooden Montessori Primary School Students Ten-gear Addition And Subtraction Computing Rack Educational Aware Toys

Material:Wooden Brand:None Packing:Colour Box Ability Building:Intelligence Development Colour:NCB-Arithmetic Calculation Shelf (Cards + Mnemonic Chart) Applicable Age:Children (4-6 years old) Product Name:Arithmetic Calculation Shelf (Cards + Mnemonic Chart) 0.63kg Product Dimension:21.7*7*25cm