PAcK x 16 SPIES Our Top Secret Pack spies includes 16 sets of 1 x 511 in invisible ink pen with UV light (batteries included) and a small notepad There are a total of 16 magic pens with 8 different color casing: red (x2), yellow (x2), orange (x2), green (x2), blue (x2), pink (x2), violet (x2) and fuchsia (x2) The transparent ink is the same color for all SUPER FUNNY With these fun pens for kids they can write secret phrases or drawings in the notebooks that can only be discovered by shining the penAs ultraviolet light on them Very cheap party favors for kids 8-12 and kids 4-8 to impress boys and girls SAFE TOYS WITH cERTIFIcATE Product with American ASTM certificate is safe for use by children over 3 years Its ink is non-toxic and can be used on paper, fabrics, walls even on the skin Disappearing ink pen in the dark, kids will love to paint themselves PARTY FAVORS FOR BOYS AND gIRLS Each set of UV spy pen and notepad comes in a single bag with zip close so they are perfect as kids party supplies, pinata filling, classroom prizes for students, christmas parties, advent calendars, Halloween treats, birthday decoration and Easter basket stuffers They are a great idea for party games for kids as they will bring a lot of fun MOMENTS OF cREATIVITY These glow in the dark party supplies are an ideal and different kids party favors sets for 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 years old boys and girls that will provide many moments of creativity and fun With these invisible ink pens for kids they can play games like escape room, hidden treasure, riddles, detective games, skin tattoos children will have a great time for hours with these return gifts for kids birthday