After picking a tattoo, you just wave the device over wherever you want it applied. The tattoos are waterproof but wash off with soap. The flagship model is $279 and a smaller model is $229.

S ALEM — Chris Coulon’s funky, neon-bright tattoos depict everything from melting heads to ferocious big cats to sparkly unicorns. The artist, who is 6-foot-2, goes by Tallboy.