"Our initial and main aim is to get the pen lids banned.

As the bubble's size reduces, the pen lid becomes less buoyant and begins to sink.

As you apply pressure to the bottle, you apply pressure to the air bubble in the pen lid reducing its size.

Breeding/Nesting: Well known for the spectacular bowers which are built by the males and decorated with just about any blue object possible (pen lids are a favourite!).

Pour a little bit of water into your pen cap.

All this talk of pen caps might be making you hungry, but try to avoid the temptation to eat your fishing hook.

The pen cap stopped twirling for a moment.

He was still twisting the pen cap.

Valentine needed to get out of the crowded office or he might have eaten the pen cap or started crying.

The collar of the red overalls is unbuttoned, the pen cap and the notebook stick out from the pocket.

By squeezing the bottle, you increase the pressure inside, thus forcing more water up into the pen cap - into its ballast.

Night five, he was standing on his bucket, using a pen cap from the art kit to slowly and methodically wiggle out each nail.

Attach a piece of clay the size of a large pea to the end of the clip on the pen cap.

He unscrewed his pen cap.

The pen cap is imprinted with Rockwell's name and the cap decal shows his raised portrait.

The eraser was held in place by the force exerted by the cylindrical abscess of the pen cap.

Similarly, keep small household items such as coins, magnets, batteries, pen caps, paper clips and jewellery out of the reach of young children.

A floor piece made of 18,000 colored-coded pen caps is magically transformed by a mirror into a fine, traditionally patterned Oriental rug.

With his feet up on his desk, he's scribbling in a spiral green notebook, pen cap in mouth and lost in thought.

Before settling on a permanent band name, Nirvana was briefly known as Pen Cap Chew.

"We had a fountain pen where the warning label in English said: Do not swallow the pen cap," Jones recalled.

Some popular examples are pen caps, ball and socket joints, Snap fasteners, and some water bottle caps.

Calli Inks should restart as efficiently as fountain pen ink if the pen cap is replaced after use.

Your logo can be struck into brass, sterling silver or even gold and discreetly inserted in the crown of the pen cap. Simple effective and stylish.

Take a small cylinder open at one end (such as a ballpoint pen cap) and fill partially with water, allowing an air bubble to remain in the cylinder.

USB tokens are generally about the size of a large pen cap and can interface with another computer system through a standard USB connection.

Lester conjures a brilliant plan to quickly get the answers: Jeff is to choke on a pen cap as Devon performs the Heimlich Maneuver.

O'Neal has since recorded music under the name Someone Else, releasing the album Pen Caps and Colored Pencils in 2007.

"It's really weird how many people in the group have my same kind of thinking," she says, repeatedly removing and replacing a pen cap with hands scarred by cigarette-lighter burns.