Elementary school students add and subtract arithmetic seals

Other people want this. 18 people have this in their cart right now.

Product specification:

• Material: Plastic.
• Style: addition. Subtraction.
• Size: 4.4 * 3 * 4.8 cm.
• Package includes: Addition and subtraction sealed arithmetic artifact (containing sealed ink) .

Product feature:

• Add and subtract 2 styles, free choice.
• Rotate to adjust 10 different ways of counting.
• Reel design, matching fit.
• Add sealing ink, can be reused.
• Efficient and fast to give exercises, not dizzy dye, not fade.
• Small and delicate, easy to carry.