Highlights Hidden Pictures and Fun Puzzle Invisible Ink Magic Pen Painting & Stickers Set of 2 Travel Size Books with Magic Ink Pen - 48 pages, 2 Pens, 30 Stickers & 2 Sticker Puzzles 3 in 1 Activities: Find Invisible Hidden Objects with Magic Ink Pen 3 in 1 Activities: Rainbow Colors appear like Magic with included Pen 3 in 1 Activities: Unscramble Sticker Puzzle by Number For Ages 5+