The Particle Zoo
The massless wavicle we know and love. PHOTON is also part of the Boson 5-pack and Darkness & Light 2-Pack. For the more colorful, special edition Laserfest photons, look here.
Approximately 2 oz (57 gm); 4.5 inches (11 cm) across.
For ages 5 and up as it contains glued-on/small parts.