clide8

The Cards vs The Castle

Trebuchet Business Card - Trebucard

Build your own trebuchet card

Trebucard Operating Instructions

Large Iris card kit assembly instructions

Small Iris card kit assembly instructions

Iris business card and greeting card aperture mechanism

Cardapult V2 Another Business Card Catapult

Penny Shooter Business Card

Cardapult Now Available

Motorized Yo-yo

Assembly of the Quick Cardapult

Cardapult Assembly Video

Cardapult, the business card that turns into a catapult

Air cannon shots in slow motion

clear piston valve air cannon