Amazon.com : Royal Green Rectangular Color Coding Stickers 1.57inch x 0.75 inch Rectangle Label in 8 Assorted Colored Name Tags Labels for Kids(40mm x 19) 640 Pack : Office Products
Science and Coding Stickers Pack | CoolSticker
Amazon.com : Easytle 1050 PCS 3/4" Round Color Coding Circle Dot Labels Color Coding Labels Stickers Removable Print or Write for Office Student Classroom Assorted 15 Colors 19mm : Office Products