Smart Math Roller Stamps for Kids, 2 in 1 Math Stamp, Addition and Subtraction Practice Stamps Within 100, Dual Head Teaching Stamps Math Learning Toy for Preschool Kindergarten Classroom Supplies

Teaching Stamps for Kid
Addition and subtraction teaching stamps within 100 for kids, comes with a bottle of ink (Open the black round cap on the handle, drop in 5-6 drops of ink, it can be reused).

Dual-head Design
One end is the addition stamp, the other end is the subtraction stamp, new upgraded math practice stamp 2 in 1 design, it is portable and space-saving, convenient for storage.

Easy and Quick Printing
Roll the stamp at a constant speed on the white paper, and the math problems will appear in front of you. Clear printing and no fading,math problems can be easily changed by turning the wheel.

Funny Stampers for Kids
Number rolling stamps are as fun as toys to make learning math fun and easy for kids, make kids complete math practice unconsciously while palying, kids will love it and love math.

Party Favors for Kids
This math stamps set creates joy and excitement for kids. Great for kids party favor, teacher's classrooms, birthday party, classroom prizes, stationery and 1st grade teaching supplies.