To customers: life is full of surprises. _x000D_ _x000D_Package Includes: _x000D_ _x000D_Color Yellow/Pink/Blue/White: _x000D_ _x000D_1 x Math Roller Stamp _x000D_ _x000D_or _x000D_ _x000D_Color Black: _x000D_ _x000D_10 x Replacement Ink _x000D_ _x000D_Item Name: Math Roller Stamp _x000D_ _x000D_Material: Plastic _x000D_ _x000D_Single Replacement Ink Capacity: 3ML _x000D_ _x000D_Features: Educational, Double Roller, Interesting Teaching _x000D_ _x000D_Size Details: _x000D_ _x000D_Size: 7.6cm x 6.4cm x 3.2cm _x000D_ _x000D_Specifications: _x000D_ _x000D_It is a math rolling stamp that can be carried easily and reused after adding ink. Just roll the stamp, you can quickly print math problems. _x000D_ _x000D_This math practice stamp can meet all the addition and subtraction numbers of 1-100 and cultivate children's logical calculation ability. It would be a fun and meaningful gift for your children and friends' children. _x000D_ _x000D_It is constructed of plastic material. _x000D_ _x000D_The length of the math roller stamp is 7.6cm, the width is 6.4cm, and height is 3.2cm. _x000D_ _x000D_It is a great educational toy for both boys and girls. _x000D_ _x000D_Notes: _x000D_ _x000D_Due to the light and screen setting difference, the item's color may be slightly different from the pictures. _x000D_ _x000D_Please allow slight dimension difference due to different manual measurement. _x000D_ _x000D_Wefor excellence. And hope you have a nice day!