Stone Age Enthusiast T-Shirts

"Did you remember to scatter a few lance points and arrowheads back there for future generations to ponder?"

Caveman turning the wheel into a bar.

'That's what i hate about being a caveman. Everything has to be carved in stone!'

Caveman tries to carve using a pencil.

Early accounting scandals.

"That's the patent number."

Cave drawings.

'Is the fire included?'

'In this economy, it's just not selling.'

'Basically it's a pushable boulder. Comes in 3 sizes - guaranteed to cut down your heat loss.'

'Here's your wheel -- Now, would you be interested in purchasing a service contract?'

Two cavemen playing football with rocks

''TALKING' is a great invention.. but what we really need is CALLER ID.'

'It's a great starter cave.'

Wife's out hunting. I'm a stay-at-cave dad.

'Not bad idea! But no quit day job.'

'Congratulations, Oog -- we've decided to give you a company wheel!'

'I invented the wheel, and to protect it, I invented the club.'

"The arms reduction talks are off to a good start -so far, we've agreed to ban pebbles."

"What if it's smarter than us?"

"Damn - another letter to the editor."

"It's still in beta."

"My doctor says you should be drawing more fruits and vegetables."

It's a good idea but, it'll never catch on.

Used wheels

'Of course it's renewable -- you just throw more sticks on it!'

'I kill him and you cook him - deal?'

Early attempts to turn a macro-chip into a micro-chip.

"Show off."

Caveman and prostitute drinking at bar talking about the world's oldest profession - hitting a guy in the head with a rock.

'Will you look at THAT-Christmas six months gone and her decorations still up!'

Used wheel salesmen.

'He also wants to be domesticated.'

I'm going to name my invention 'Frisbee'.

Cave Clowns.