Math Stamper Set 
This set comes with 12 self-inking stamps. 
- There are 10 numerical stamps 0 ~ 9, the number 1 stamp can be used as a subtraction sign also.
- One addition stamp that can also be used as multiplication stamp. 
- One division stamp.
- One equal stamp.
- Stamps come in 4 different color inks.
These stamps are self-inking so you can set up your math problems quick and easy without having to deal with messy ink. This set also includes a clear box to store the stamps in.

Pattern size: Φ 0.5"

Product size: 0.7" x 1.9"