Can't decide? Order a Particle Pack!
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Has the Top Quark yielded to the obesity epidemic? We may never know because he only exists for .4 million million million millionths of a second. Top Quark makes all the other particles in the zoo feel quite slim. He is also part of the Quark 6-pack. Approximately 13.5 oz/385 grams; 5 inches/12 cm across. For ages 5 and up as it contains glued-on/small parts. |
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