Has the TOP QUARK yielded to the obesity epidemic? We may never know because it only exists for .4 million million million millionths of a second. Top Quark makes all the other particles in the zoo feel quite slim. It is part of the Quark 6-pack.
Approximately 14 oz (397 gm); 5 inches (12 cm) across.
For ages 5 and up as it contains glued-on/small parts.