Amazon.com: Horizon Group USA 1000+ Adhesive Foam Alphabet Stickers, Foam Letter Stickers, 7 Colors, 2 Fonts, 2mm, Foam Sticker Arts and Crafts for Kids, Classroom Activity, Art Class, Back to School Supplies :
Foam Letters (A-Z) & Numbers (0-9) – Encore Kids Consignment
Amazon.com: Adhesive Foam Letters and Numbers 504Pc - Crafts for Kids and Fun Home Activities : Toys & Games
ABC Foam Letters And Numbers – Oasis Supply Company
Amazon.com: FUNNXYZ Classroom Magnetic Letters 237 Pcs Foam Alphabet Letters with Double - Side Magnet Board for Kids Spelling and Learning : Toys & Games