Colorloco Color Splitz Kit: Large. This innovative pen-in-pen technology creates highlights and shadows in 1 stroke. Use as a regular marker or by a simple twist of you wrist you are highlighting and shadowing. This package contains four Color Splitz pens, 1 magic pen, a project book and lettering book, a spiral gear stencil and a holder, five 10x8" posters to color and five 10x8" posters to spiral. Contents may vary. Pens are non-toxic and conform to ASTM D4236. Recommended for children ages 5 and up.