Lepton 6-pack
The Particle Zoo
$54.99
Take home a different kind of 6-pack tonight: Contains an Electron, Tau, Muon, Electron-Neutrino, Muon-Neutrino, and Tau-Neutrino.
Approximately 20 oz (0.5 kg).
For ages 5 and up as it contains glued-on/small parts.
UNIQUE PRODUCTS
