Roller Practice Number Stamp - Addition Tool For Kids serveware or by the pool

or by the pool

20 × 10 cm – 3 Liters

if you have a hot coffee and don't want to get cold

Steady the bowl with a hand and pull the ring back and forth

so you can travel with confidence

Roller Practice Number Stamp - Addition Tool For Kids serveware or by the poolOne addition stamp one subtraction stamp, 1 bottles of ink. The math stamp set as fun as toys, makes learning fun and exciting, increase children's interest in learning suitable for students to practice, parent guidance, teacher teaching. Easy to operate the math questions can appear in front of you by scrolling the stamp, which can be adjusted, and the questions can be changed by gently twisting the button, and the questions will be randomly