The DIY Tattoo Art Pen empowers children to express their personalities in 100% safe, removable body art. The easy-to-use pens can be used freestyle, or in conjunction with the included stencil sheets to create cute and fun designs. The tattoo pens are safe and suitable for children, tweens, and even adults! They are nontoxic, water-soluble, and free of harmful chemicals. A guaranteed hit for parties, sleepovers and dressing up. Product details: • Requires 2x AAA batteries (not included) • Recommended for age 8-13 • Includes 7 washable pens and 8 stencils