The Universe helium atom Approximately 5 oz (142 gm)

Approximately 5 oz (142 gm)

W Boson is a heavyweight particle plush but also comes in a lightweight shipping saver version which is especially nice if you live outside the U

the CMS and Atlas collaborations at CERN announced a 5-sigma level of certainty that the Higgs boson had been detected with a mass of around 125 GeV

Universe-in-a-Box is also available in 22-piece set

elusive little guy who is a bit more massive than the muon-neutrino

The Universe helium atom Approximately 5 oz (142 gm)Hold the whole UNIVERSE in the palm of your hand with its 70 sextillion stars twinkling! The Universe is not to be confused with Universe in a Box. You also might like Cosmic Microwave Background Radiation. There is also an Alternate Universe. For the fans of the history of the universe, get The Universe Today. Approximately 2 oz (57 gm); 9 inches (23 cm) diameter. For ages 5 and up as it contains glued on small parts. Fabric design subject to change