Features: brand new and high quality Adopt advanced technology and craftsmanship to ensure the practical function, quality and beauty of the product. mathematics teaching aids decimal banking game, suitable for babies over 3 years old. Product material: beech + plastic. Sensory for impression of operation addition, subtraction, multiplication and division, deepen the understanding of the relationship between addition and subtraction and the relationship between multiplication and division. The combination of physics and numbers embodies 's educational for philosophy! To help children better understand the relationship between the number and the actual number, to establish a good mathematical learning and thinking ability. It can stimulate children's interest in learning and let them learn knowledge while playing games. Understand the function of the decimal system and the conversion from the next bit to the next high bit. Specifications: Material:Metal+Plastic Type:10 Pieces Golden Beads/1 Piece Golden Hundreds Beads/1 Pieces Golden Thousands Beads Package Includes: 3 Packages(A/B/C Optional) Package A:10 Pieces Golden Beads Package B:1 Piece Golden Hundred Beads Package C:1 Piece Golden Thousand Beads note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.