Scientific Pranks T-Shirts

"Now watch his reaction when I cough on him."

"I'm grounded. I forgot to delete the car's computer history after we did those crop circles on Earth."

In his younger days Spock was quite the comedian.

Randall couldn't wait to see what else the 'Magic Trash Can' could make disappear.

Clyde thought “Atomic Sparklers” was just an ad gimmick

Children disturbing a heart rate reading.

Clown throws a bucket of confetti over car at 'Jimbo's carwash'.

"And I want you to meet Coco, your anesthesiologist."

'The fun begins when we go through airport security.'

"So, you say I'll be doubling the numbers of animals I kill?"

'Ok, here comes farmer Brown, put these on and remember.......act natural!'

'He's not as studious as he looks - his backpack is full of comic books.'

One vampire tricks another behind a mirror.

A spider is afraid of another spider's mask.

"What are you looking at, four eyes?"

Harry Potter learns some 'new tricks' on his first day enrolled in a public school.

I'm prepared to admit that you may have startled me a bit, sure!

'Alright, which one of you wise guys pulled the fire alarm?'

Hair Crop Circle

'It's called 'cause and effect.' I pound this log and Tarzan goes bananas.'

"I think the ants are mooning me again."

"See, Og If mammoth foot ticklish, could me do this"

'Look behind you. . . Just kidding.'

Candid Camera store.

"Housekeeping?!"

Clown God

'Come on, I dare you: I say you can't drink a whole dew drop...'

"Eat me"

Harsh Mellows.

101 uses of a dead cat: disguise.