Crazy Aaron's Putty .47 oz Mini Tin Assortment - 12 Pack, is AWESOME! Set of 12 Different 2" (.47oz) Mini Tins including Heat Sensitive Hypercolors, Super Illusions & Glow-in-the-Dark! Heat Sensitive Hypercolors - These heat sensitive putties change color as you play to reveal their dual nature. - Super Illusions - The secret behind Super Illusions...It's something called thin-film interference, a.k.a iridescence. - Glow-in-the-Dark - Starts out a simple white by day, but by night they come alive in mesmerizing hues that glow for hours! 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! Makes a great gift & is perfect for schools, educational toys, party favors, pre-schools, baskets, special needs, promotions and so much more! For Ages 12 and up - Fun for the whole family!