Number Rolling Stamp Addition Subtraction Arithmetic Tool Practice

Description:

- Number Teaching Roller Stamp.Interesting teaching,let children like learning more.

- Rolling math questions appear instantly, easy to operate and very fast.

- 100 algorithm questions.Take your math scores to nexts level.

- Two styles, repeated use.

- The stamp is clear and the marks is durable, and it dries quickly.

Specification:

- Name: Mathematics Teaching Roller Seal.

- Stamp size: 4.4cm x 3cm x 4.8cm

- Model: Addition, Subtraction

- Blot: 20x4mm

- Material: PVC

Package Includes: 1set Stamp

Note: 1. After receiving the seal, don't rush prints on the clothes, print twice first, and use it after the handwriting is clear. 2. When using the stamp, the pressing force should not be heavy or light, and the pressing time should not be short or long. You can practice 3. For the maintenance of the seal, please close the cover and place it vertically when not in use. 4. Please be careful when printing. In case of wrong printing, you can use alcohol to clean it several times.