Zarrella's Hierarchy of Contagiousness: The Science, Design, and Engineering of Contagious Ideas

Add some color to your casual look with this preppy-chic watch from Tommy Hilfiger.

Wear your heart on your wrist with this adorable cuff watch from Betsey Johnson. Dressed in quilted leather with hints of rosy hues and crystal shimmer.

Clap if you believe in fairies! Help your kids be on time with this adorable Time Teacher watch from Disney. Featuring everyone's favorite pixie, Tinker Bell, the hour and minute hands are clearly labeled for easy reading.