Our fluffy adorable testicles are now super big -- a humongous 9" x 8" x 4". Comes with an expanded booklike hangtag describing the joys of these family jewels, which produce sperm and sex hormones. Testosterone helps sperm find and fertilize eggs; sperm is the swimming cell responsible for the biologically male side of reproduction. Absolutely nuts! Safe for all ages. Safe for ages 3 and up.