product details

• Digital Teaching Stamp Roller】 Adjustable numbers, gently roll to print out less than 100 maths problems efficiently and quickly. A fun and meaningful gift for your child or a friend’s child!
• 【Quickly Addition and subtraction】You can quickly prepare maths problems for your child at home. Just scroll through the stamps to print maths problems quickly and it dries quickly. Primary school children do one page a day to improve their oral calculation speed and accuracy.
• 【Reusable】The roller digital teaching stamp is small and exquisite, easy to carry and can be reused by adding ink. The print is clear and dries without fading after printing.
• 【Learning and Educational Gift】This math toy helps kids have fun while learning while improving their arithmetic skills. Parents can quickly prepare their children for when they need to practice maths problems. Say goodbye to handwritten math problems and save even more time with stamps!’

included ;

• 1 addition Stamp
• 1 subtraction Stamp