Tricycle Tinkerer T-Shirts

Way-too-easy rider.

Rocking horse

The Hobby Store

Modern kite for wind energy.

A massive ship pulls in in Central Park.

'This model is hard to get parts for.'

'Sharon's into genetic engineering!'

"It's a fairy simple procedure. We just take out the dead ones and put in two new ones."

Music producers.

'Well OF COURSE I rotate the tires! How do you think I got here?'

Computerized Dollhouse.

"YOU pass him on the left."

'We can probably make Mars in one day.'

"I told you we needed deeper foundations!"

'I can't come out to play, I have to help my owner work on his bike. Sometimes it sucks being a smart breed.'

'I was cleaning my catapult and it went off.'

"Don't be ridiculous. If the wheels were round, you'd never be able to stop."

'Guess what? I fixed your jack-in-the-box.'

'Out of action man.'

'He works hard and he plays hard.'

'I see you decided to build your own motorcycle. By the way, did you, by any chance, fail shop class in school?'

"Who do you want to replace when you grow up?"

"Uh-oh, Justin Legoed himself into his room again."

''Amazing amount of assembly required'.'

'Before you say it's got some old parts, remember that you repaired it last time.'

A man working on a model airplane

In the very beginning.

'Norman's building a small Hadron Collider.'

"Wait! Do you think the quick release bolts are a good idea?"

'Sorry kid, but rules are rules!'

"Enough's enough! I've been calling you two for dinner for the last half hour!"

"I have improved on Asimov's robot rules."

'My bike was making a strange noise, so I took it apart to fix it. I should've thought ahead, because I have no idea how to put it back together.'