reusable & durable
Create exercises quickly
Developing mathematical thinking
The roller design can be rotated and adjusted to create many different math problems (addition, subtraction, multiplication, division)
Help children practice quick reflexes and get familiar with basic calculations early.
Parents can create custom exercises by topic and difficulty.
Uses safe, quick-drying oil-based ink that won't stain hands or paper. Comes with an additional ink bottle, easy to refill after running out.