When it comes to making DIY slime in the classroom, the best choice is the slime most in demand by teachers and special effects artists alike. Not only will your students enjoy slime play, but these chemists-in-training will also be learning hands-on about states of matter, cross-linking of polymers, material synthesis, chemical bonding and, above all, how to make slime!. You can even use their time knuckle-deep in slime as an inspiring creative writing prompt. This classroom kit comes with supplies for 24 students to mix up their own slime and take it home for A further research."Just like the classic recipe, this slime uses a polyvinyl alcohol (PVA) formula with sodium tetraborate as the cross-linking agent. What makes it so unique is the addition of stabilizing agents that reduce bacteria growth, but still allow for the gooey, stretchy qualities that your students desire.