Description:

DIGITAL TEACHING ROLLER STAMP: Fun teaching tool to make learning more fun for kids.
SIMPLE : The rolling math problems appear instantly, the is simple, and the speed is very fast.
ALGORITHM QUESTIONS WITHIN 100: Take your math scores to the next level.
REPEATED USE: It can be used repeatedly, with continuous practice and quick mastery.
DRY FAST: Markers are durable and dry fast.

Specification:

Material:ABS

Size Chart:

Size:6cmx5cmx7cm/2.36inchx1.97inchx2.76inch
Capacity:5ml

Package Includes:

1 Printing Oil

Note:

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