White T-Shirt - Funny play on two idioms: it's not rocket surgery, you know! Perfect smart teacher gift to let students know that learning isn't hard - you just need to apply yourself. It can be fun, too!

Homunculus Black T-Shirt - The primary motor and sensory regions of the brain are mapped out according to the relative importance of a body part. In a cat, much room is devoted to the whiskers, just as fingers are in us.

NOT A BRAIN SURGEON Women's Long Sleeve T-Shirt - Not a Brain Surgeon. Whatever your profession, express yourself!