Electron-neutrino
A sneaky, cheeky little devil, ELECTRON-NEUTRINO prefers to remain undetected which is why he wears a mask. It is also part of the Lepton 6-pack and Everyday Matter 6-pack.
Approximately 2 oz (57 gm); 5 inches (12 cm) across.
For ages 5 and up as it contains glued-on/small parts.
CATEGORY: LEPTONS
UNIQUE PRODUCTS
