Specification: Item Name: Magnetic Fraction Demonstration Book Size: 18*22*1.5 cm / 7*8.6*0.6 inches Package Includes: 1 Set * Magnetic Fraction Demonstration Book Note: 1. Please allow slight dimensional error due to manual measurement. Thank you for your understanding 2. Due to different monitors and different lighting, the picture may not show the actual color of the item. Thank you for your understanding