Escalator Working Model Project || Cardboard Escalator || Escalator Science Project

[@diptifichadia8061]

👌👌👌

[@krishankantsharma8089]

Nice👍👍👍👍👍

[@ScienceIdeas101]

Thanks for the visit

[@ShashiKant-kq2bj]

Wah.

[@ScienceIdeas101]

Thanks

[@keneyangullie9851]

What kind of materials did u used