Description:
- Double Head: Adding and subtraction double head is perfect for children learning with a variety of adjustable algorithms within 100 questions
- : Roller Digital Teaching Stamp, 10 numbers of each roller are designed to be replaced in multiple configurations to create random questions.
- CLEAR PRINTING: Additive subtraction math stamp dries in 3 seconds for quick and clear printing. It can also be added ink to each roller, reusable and long lasting.
- DURABLE MATERIAL: The math is made of durable material, high quality, practical and easy to use, perfect learning tool for kindergarten, elementary school and so on.
- PERFECT GIFT: This portable addition subtraction math learning stamp math artifact, also makes a great gift for kids at birthdays, parties, holidays, festivals and more.
Size Chart:
Stamp: 7.6cmx6.4cmx3.2cm/2.99"x2.52"x1.26"
Stamp:2.4cmx0.4cm/0.94"x0.16"
Package Includes:
1 Roller Digital Teaching Stamp
Note:
Due to manual measurement and different monitors, please allow a little error.