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These miniature particles are replicas of the “regular” particle plushies but are about one-third the size
Of course you won't get the full effect of the weight variations but they will be the same in every other way
One magnet is strong enough to secure 2 pieces of cardstock
Booklet: 4” square (10 cm)
The ANTINEUTRON is the antiparticle of the Neutron
Everyday Matter 6-pack black These miniature particles are replicasThis is all the stuff we're made of! As well as our cars, crackers, coins, cats and cranberries. Contains a Neutron, Proton, Electron, Up Quark, Down Quark, and Electron neutrino. Approximately 15 oz (425 gm). For ages 5 and up as it contains glued on small parts.
US$ 42.20
US$ 19.80
US$ 18.50
US$ 15.00
