Geometric Adventurer T-Shirts

"I warn you, Collinsworth, I'm a very determined woman."

In his younger days Spock was quite the comedian.

'According to creation mathematicians, all of Euclid's theories were originally found etched into rocks.'

I think you're ace

"Arithmetic gets a lot harder when you run out of fingers and toes."

'Which one is named after me?'

'No, really, go ahead. You know me - I'm all about the journey, not the food pellet!'

'Thanks for being up support staff.'

'It won't do you any good! You can't run from your math problems!'

'Gen-Xers in their retirement years.'

'The ball never goes where I hit it.'

'Listen up troop. We're going on a treasure hunt.'

"Now THAT's what I call a budget airline!"

Travellers

'Now that should make it a lot easier.'

Rocket to the Moon

"Captain, it appears to be some kind of paragraph."

Complimentary angles make the other angles feel good about themselves.

'All this 'plane geometry' stuff is great, Euclid, but what if the Earth turns out to be round?'

Astronomer reaching for the stars through a telescope (with his hand coming out of the top, near the stars).

'Well that's certainly new!'

Mobius Comic Strip.

Astronaut

"That's a beautiful poem, but of course, if you took the road less traveled, we'd make sure you have your GPS."

The Polygon family at home

"I'm going to introduce you to the wonderful world of trees."

Chicken

The First Man to Ride the Moon