Advantage:
Addition and subtraction 2 styles, free to choose.
Roller design, combined adjustment.
Add stamp ink, reusable.
Give practice questions efficiently and quickly, without smudging or fading.
Rotate to adjust 10 different counting methods.
Small and exquisite, easy to carry.
Product Details:
material: plastic
Style: Addition/Subtraction
Shape:
Pink - Subtraction
Blue-Additional
Product Size:
4.4*3*4.8cm
Packing list:
1 Addition and Subtraction Stamp Arithmetic Artifact (Includes Stamp Ink)
