Addition Subtraction and Multiplication Division Roller Stamp Students Within 100 Math Practice Questions Digital Type Mathematical Roller Seal XYZ

Features: 1. 4 Model: Addition and subtraction, multiplication and division, numbers 1-100,Develop children's logical calculation ability. 2. Simple Operation: Math questions appear in front of you by rolling stamps, you can change the questions with a single twist, and choose the questions randomly. 3. Recycling: Add ink to the oil hole, add ink, it can be recycled, and comes with a storage box for easy carry. 4. Learning Fun: Teaching stamps that are as interesting as toys make learning fun and exciting, and increase children's interest in learning.

Specifications: Size: about 4.8*4.4*3cm/ 1.88x1.73x1.18in Material: PVC Model: Addition/Subtraction

Packing Include:1 Pcs Seal+(1 Pcs Ink)