Crazy Aaron's Thinking Putty Mini Tin Complete Bundle Gift Set - 8 Pack Complete Set of 8 Different 2" Mini Tins including Heat Sensitive Hypercolors & Glow-in-the-Dark! Hypercolors - Chameleon, Sunburst, Amethyst Blush & Twilight. Glow-in-the-Dark- Krypton, Amber, Ion & Aura. Made in the USA of non-toxic silicone, never dries out & is easily removed from solid surfaces. Gluten free, latex free and amazing for special needs, party favors & much more!