Use these QR code stickers to uncover the hidden accolade and find a surprise video or GIF that will educate or make students chuckle. Each sticker contains a variety so that no two students in the same class should get the same one! Student-tested, teacher-approved!Students will be thrilled to use their phones in class to scan their sticker and see what they find! Simply scan the QR codes with your smartphone or tablet using any free QR code reader.300 assorted full-color stickers. Each square sticker measures approximately 3/4 inch.