Features:MATH LEARNINGYou will receive 2pcs digital teaching stamp, multiplication roller + division roller, feature cartoon astronauts and animal patterns, to enhance elementary school students' multiplication and division practice.DIGITAL ROLLER STAMPRolling stamp design, more convenient and practical, turn the knobs at both ends to adjust the digital column, can adjust 10 different queue modes, and change the title randomly.CLEAR NUMBER IMPRONTGood ink and clear digital embossing, the number printed by roller stamp is clear,. And the digital ink dries quickly, it is not easy to penetrate the paper, and will not stain children's hands and clothes.REUSABLE DIGITAL STAMPComes with 2 bottles of ink, the roller stamp is reusable. Open the cover, align the oil hole, and drop 5 or 6 drops of ink. The ink has no peculiar smell and is reliable to use.GREAT GIFTIt is a great gift for kids and parents, ideal tool for student math practice, parent tutoring and teacher teaching. Interesting teaching, let it become a good partner for children to learn, motivate your students kids in a bright way.Specifications:Color: Blue, pinkMaterial: PlasticSize(L x W x H): About 5.5 x 3.6 x 8.5cm/2.17 x 1.42 x 3.35inch(L x W x H)Package Includes:2pcs x Digital teaching stamp2pcs x InkNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.