Calculation Math Toy Stamp for Children Boys and Girls Teaching Stamp Reusable Rotary Adjustment Math Stamp Quickly Addition and Subtraction for Toddler and Young Child

Durable Using Time: The imprint of the Kids Math Learning Tool lasts for a long time, the stamping is clear, does not smudge the ink, and the imprint is clear. Say goodbye to handwritten addition and subtraction math problems, and use the seal to save you more time.
Features:
Digital Teaching Stamp Roller: The Addition and Subtraction Roller Stamp brings a convenient way for addition and subtraction games. Gently scrolling and math problems will appear right in front of you. It can efficiently and quickly print out about 100 math problems.
Adjustable Design: Rotate and adjust the column type, the Math Practice Number Rolling Stamp can adjust different queue methods. Simply twist the button to change the question. Develop children’s logical calculation ability.
Portable Size: The Roller Digital Teaching Stamp is small and exquisite, and comes with a storage box for easy carry. When the ink is used up, you can fill it on the roller side.
Durable Using Time: The imprint of the Kids Math Learning Tool lasts for a long time, the stamping is clear, does not smudge the ink, and the imprint is clear. Say goodbye to handwritten addition and subtraction math problems, and use the seal to save you more time.
Perfect Gift: The Math Roller Stamp is the perfect learning toy for your toddlers. Get this and put a smile on their faces. It is a great gift for birthdays, Christmas, Halloween, Thanksgiving and New Year.
Specifications:
Weight: about 69g
Size: about 4.8*4.4*3cm/ 1.88×1.73×1.18in
Material: PVC
Model: Addition/Subtraction