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Mini Tau-neutrino
For Feynman fridge magnets
A great gift for your theoretical friends
Approximately 15 oz (425 gm)
Of course you won't get the full effect of its Dark Matter massive weightiness but it will be the same in every other way
Electron brane Mini Tau-neutrinoA negatively charged, diminutive ball of motion. Kind of like some cats I know. ELECTRON is also part of the Lepton 6 pack, Everyday Matter 6 pack and Atomic 3 pack. It gets around! Approximately 2 oz (57 gm); 4 inches (10 cm) across. For ages 5 and up as it contains glued on small parts. CATEGORY: LEPTONS
US$ 15.00
US$ 46.15
US$ 158.70
US$ 314.45
US$ 12.00
US$ 39.99
