Testicles...

[teendude_1991]

How big should your testicles be, and how do they relate in size to the penis?

[byee]

They develop at different rates, your testicles, being the epicenter of puberty develop first usually starting at age 11 or 12. Testicles are about the size of a walnut, the penis gets to be about 5.5''-6.0".

[sunsings]

if you go to puberty 101 there is a thingy that will show you a chart of testicale sizes here is the link: http://www.puberty101.com/p_orchidometer.shtml