Description Are you looking for professionaland practicaldigital decomposition ruler? Are you in search of sturdy, trustworthy digital decomposition ruler for kids ? If yes, look no further! Our digital decomposition ruler must meet your needs. It is one of the best choices for you. Features -Color:Blue-Material:Plastic-Size:26.00X4.00X0.50cm/10.22X1.57X0.20in-This digital decomposition ruler is designed specifically for children to learn math and arithmetic, which will help them develop their mathematical thinking abilities.-The numberdecomposition ruler is made of plastic material, sturdy and useful, excellent and practical. -The unique design, kids number decomposition ruler helps children understand addition and subtraction, making it easier for them to learn math.-This digitaldecomposition slide ruler is wonderful gift choice for children and kids, making it perfect tool for arithmetic enlightenment.-This math learning slide ruler is suitable for kids starting to learn arithmetic, proper for kindergarten, home use.Package list: 1 x number decomposition ruler