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459. Piano stairs -

whitney4423
58 subscribers
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131K views 15 years ago
this is an expirement that tells how many people use the escalator instead of the stars so they built a stair case made of electronic piano keys that play notes when you step on them ...more
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459. Piano stairs -
445Likes
131,767Views
2009Dec 5
this is an expirement that tells how many people use the escalator instead of the stars so they built a stair case made of electronic piano keys that play notes when you step on them

whitney4423

58 subscribers