The abacus is made of material, which is and practical for use, suitable for students, children, etc. This abacus aims to train children in abacus mental arithmetic to improve their numeracy ability, brain development, etc. Features -Color:Assorted Color -Material: Wood -Size: About 29.50X13.10X7.90cm/11.59X5.15X3.10inch -The abacus is made of safe and natural wooden material and lasts for a long time. -It is lightweight and compact size, easy to carry and store when not in use. -The aim is to train children's mental arithmetic, improve their computing ability and brain development. -A good kindergarten aid for children to learn arithmetic while playing. -This is a great festival or birthday gift choice for your kids and they will love it. Package list: 1 x abacus