The Pixit kit includes a stamp, a pen and an ink pad which are all designed to fit into a single, tidy box that measure just 70 x 7 x 55 mm (2.8 x 2.8 x 2.2 inches).

SunFly’s invisible ink stamp notifies you when it’s time to put on more sunscreen. (SunFly Photo) Researchers say we don’t put on enough sunscreen. A Seattle startup has come up with a ...