Best Buddies Collection includes 32 popular designs on round stickers in this superSpots Stickers Variety Pack. Great for student rewards and homework folders. Stickers are just the right size for Trend Incentive Charts and Pads (sold separately). Stickers are acid-free, nontoxic and safe for use on photos. Stickers are ideal for teaching students in prekindergarten to ninth-grade (ages 3 to 15).