AUTOMATIC LIFTING LADDER

3,500.00

AUTOMATIC LIFTING LADDER……amazing mechanical project…..based on relative motion logic…..when two ladder are moving up n down with right curve n slope…..amazingly …they lift spherical objects up to top …..

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AUTOMATIC LIFTING LADDER……amazing mechanical project…..based on relative motion logic…..when two ladder are moving up n down with right curve n slope…..amazingly …they lift spherical objects up to top …..



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Weight 2 kg