Smart Math Roller Stamps for Kids 2PCS Addition and Subtraction Teaching Stamps Smart Math Roller Stamps Practice Tools Within 100 Learning Toy for P

Smart Math Roller Stamps for Kids 2PCS Addition and Subtraction Teaching Stamps Smart Math Roller Stamps Practice Tools Within 100 Learning Toy for P About this item

【Smart Math Roller Stamps For Math Problems】: one addition stamp, one subtraction stamp, 2 bottles of ink 【Interesting School Supplies】: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 【Save Time】: 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 selected. About this item

【Smart Math Roller Stamps For Math Problems】: one addition stamp, one subtraction stamp, 2 bottles of ink 【Interesting School Supplies】: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 【Save Time】: 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 selected. 【Good Quality】: photosensitive process, clear stamping, Print thousands of impressions without losing the original quality,Strong ABS plastic components and housing 【Refill Pack】: Durable，Equipped with 2 refills ink, open the oil cap and drop 5-6 drops at once

Material：Plastic Shape：Rectangular Maximum Supported Lines：1 Product Dimensions：2.05"L x 1.26"W x 1.81"H

Packing list： 2 x roller stamps 2 x refills ink