For many years, the Crystal Ninja team has tested and tested glues and processes for the ever-elusive solution for adhering to *Foam Rubber and *Silicone items! This specially curated kit includes everything you will need to prep and bond your embellishments onto hard to glue surfaces such as CROCS! This Kit includes a tray for glue, nail file, alcohol wipes, ninja dart (glue dauber), glue, and primer. The inability to find a gluing solution is the scourge to all Ninjaneers - and we have discovered the answer! *Always Test your items. There are many types of Foam rubber, rubber and silicone that may not work. Items in the Kit: Prep Kit, Glue Tray, Glue Applicator, Sanding File, and Alcohol wipesGlue & Primer (this kit does NOT include a Crystal Katana or any other embellishment pick-up tool; no crystals are included in this kit)