Porceosy 4-in-1 Math Roller Stamp Set with Refill Ink, Randomized Addition Subtraction Multiplication Division Practice Tool, Fun Educational Toy for Kids, Classroom & Home Use E

• Refillable Ink System: Features a built-in refillable ink reservoir with included bottle for smooth, clear prints and eco-friendly, long-term use—ideal for continuous classroom and home math practice. .
• Randomized Math Problems Generator: Adjustable roller creates varied addition, subtraction, multiplication, and division problems to keep kids engaged and enhance calculation speed. .
• Size Details: The total height of the product is 7.3cm.
• 4-in-1 Math Roller Stamp Tool: Combines all four basic arithmetic operations in one compact device, supporting hands-on learning and daily practice to build essential math skills. .
• Fun Educational Toy for Kids: Perfect for preschool and elementary learners to improve early math abilities, hand-eye coordination, and focus during homeschooling or tutoring sessions. .

Description: Item Name: Roller Stamp Material: ABS Features: Reusable, Portable, 4 in 1 Design, Adjustable Size Details: Height: 7.3cm/2.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: A,B: 1 x Roller Stamp 1 x Ink or C,D,E: 2 x Roller Stamps 2 x Ink