Puzzle glue in a tube with sponge Trefl 90721 This special glue for Trefl puzzles (model 90721) is a product designed to glue and secure puzzles. Thanks to this, after arranging, you can permanently connect them and, for example, hang them as a picture or move them without spilling. 🧩 Key features -Form: Tube with convenient sponge applicator that makes it easy to apply glue without mess. -Function: acts as an adhesive and puzzle preservative in one - when dried, it forms a protective, transparent coating. - Capacity: approx. 70 ml - enough to cover a large area of the puzzle. -Easy application: thanks to the sponge, the glue is applied evenly on the side of the image. -Safe: water-based, does not contain harmful substances; use under adult supervision. ✔️ Once dry, the puzzles are permanently connected and can be placed or hung as decoration.