Description:

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

Features: Rolling math questions appear instantly, easy to operate and very fast. It can develop kids' logical calculation ability.

Multifunction: Various algorithm questions, addition/subtraction within 100, adjustable flexibly, take your math scores next level.

Premium: Two styles(addition, subtraction), repeated use. Made of high quality pp material, durable, small size and portable.

Reusable: The stamp is clear and the marks are durable, and it dries quickly. The package comes with stamp roller ink.

Specification:

Material: PPP

Size Chart:

5cmx7cm

Package Includes:

1 Piece Math Stamp

1 Piece Printing Ink

1 Piece Storage Box

Note:

Please allow slightly errors due to manual measurement and different monitors.