Update: Deal over.

12-Pack Elmer’s Washable Liquid School Glue – Link

Amazon has this currently marked down to just $6.

• Make Slime and bond materials like paper, Wood, fabric and ceramics
• Safe, Washable and non toxic ideal for children
• No run formula is adjustable before setting and dries clear
• The number 1 teacher Brand, it’s great for arts, crafts and School projects
• Smooth, classic white glue formula is perfect for making Slime at home or in the classroom