Features: Math Arithmetic Operation Teaching Toy: The mathematics teaching book help children to learn the math addition & subtraction, between 0-9, assist to build the basic cognition of number relationship and quick resolve problems, magnetic design attract toddler interests, encourage brain development, exercise their hand & eye coordination. Selected Material: The mathematics learning book use qualified cardboard, smooth edge polished, wear-resistance, non-toxic painting and safety for children. Arithmetic Magnetic Learning Book: The arithmetic learning book featured with built in magnets, & number bricks, multipurpose playing methods easily for child follow the book and place the right number bricks on the book and finish the formula, the concept of teaching in fun to attract toddler concentration, practise their logical thinking with math teaching. Educational Math Toy: Children need to observe the numbers, find the connection between the numbers and operation sign to get the operation rule, with great educational training for kids, improve their abilities of hand-on ability,improve problem solving skills and arithmetic enlightenment. Great Gift: The math learning aids are suitable for little child as birthday gift, Christmas gift, and encourage them free to explore their small number world, which also suitable for classroom, activity centers teaching props. Specifications: Product Dimension: approx. 29x26cm/11.41x10.23inch Material: Paper Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Math Arithmetic Magnetic Learning Book Toy 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.