"A Mind Jar is a meditation tool to use whenever a child feels stressed, overwhelmed or upset. Imagine the glitter as your thoughts. When you shake the jar, imagine your head full of whirling thoughts, then watch them slowly settle while you calm down.
Glittery glue dots - for magnets! It looks like those glass filler stones (or maybe dried resin or glue? hmmm), and glitter for the materials - No instructions, but it seems pretty simple going from the pictures.