Gravity Tester Mugs

'Drop the rock!'

One Giant Step for a Man

'I'm jumping into a black hole!'

Climbing the Wall.

Apples for sale

Due to his low center of gravity, Jake is the greatesr broncbuster ever!

Intelligent people laugh too!

"Extreme miming"

Newton discovers gravity and apple sauce in the same day.

'You forgot to pay the gravity bill, didn't you?'

"What's your project for the science fair, Arnold?"

'Gravity...Go figure!'

Newton's Cradle Solar System

"Bonk!"

Astronaut runs on spinning asteroid to reach space shuttle's tether.

Elephant with Balloons on Seesaw

His and Hers Gravity Bars.

Annual Mensa Convention: 'Ok, who's the genius who forgot to send out the invitations?'

A Newton's cradle wrecking ball.

Maitre d' to astronaut couple entering restaurant: 'Gravity or no-gravity?'

'Oh no its going to be one of those days.'

The Apple Picker Doesn't Fall Far From The Tree....

Newton discovers anti-gravity,

"Bear in mind there are three laws in this gym we cannot ignore: health, safety and gravity."

Graph to find your IQ

The Soundness of Newton's Laws

"Young man! You turn the gravity back on this instant!!"

Newton's vacation

'There goes another one. Galileo, don't you have any idea what makes them do that?'

"Galileo soon modified his gravity experiments" "Ready to catch it?"

Man read's Newton's 'Philosophiae Naturalis Principa Mathematica' and says: 'Blimey Isaac, this is, er, pretty heavy stuff.'

Descendant of Galileo disproving the theory that computers double in speed every twelve months.

If Sir Issac Newton and William Tell were brothers, gravity would never have been discovered.

Galileo's Attempt to discover is heavier dog falls faster than lighter dog.