Company owner Michael Ryan says the sides are cut from single panels of medium-density fiberboard for safety.

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Built from a box fan, medium-density fiberboard, lexan and aluminum, the tunnel increases airspeed by about 240 percent and cools its contents with a brisk 9 mph breeze.

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The housing of the speaker is made from 8mm MDF (Medium-Density fiberboard) manufactured wood which allows for VLD (Very Low Distortion) technology when listening to music at a high volume.

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Avoid particleboard, pressed wood, or fiberboard.

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Wells Mason's chairs, benches, and tables are simultaneously playful and--with their stark joining of organic and man-made materials (such as the Baltic birch, stainless steel, and fiberboard embedded in a telephone pole in the Shelf Life chair, bottom)--aesthetically and intellectually challenging.

FORBES: Above photo courtesy of John Langford