M1, M2, M3 Neutrino set

Set of 3 flavor-mixed NEUTRINOS, M1, M2 and M3. Originally requested by researchers at Fermilab studying neutrino oscillation experiments, but now publicly available. This is a made-to-order, custom particle set and an additional custom order fee will be required. Please email to inquire about custom orders. Approximately 2 oz (57 gm); 5 inches (12 cm) across.For ages 5 and up as it contains glued-on/small parts. CATEGORY: CUSTOM, LEPTONS