Amazon has the 50-Piece Crayola Neon Glow in the Dark Art Set w/ Neon Paint, Markers & Crayons for $11 with free shipping on $35+ or with Prime.

Includes 6 washable neon paint pots, 10 neon markers, 8 neon crayons, 32 coloring pages, 1 sticker sheet, 1 paint brush, 1 glow light, and a reusable plastic case.