One of the amazing building models Watch how we made it in 1080i HD

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New video titled: One of the amazing building models Watch how we made it in 1080i HD
Can you help me find a name for the object and a possible function for it, as well, not an order?
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Music rights:
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Move Your Body by Hotham / hothammusic
Creative Commons - Attribution 3.0 Unported - CC BY 3.0
Free Download / Stream: audiolibrary.c....
Music promoted by Audio Library • Move Your Body - Hotham (No Copyright...
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Gold by Hotham / hothammusic
Creative Commons - Attribution 3.0 Unported - CC BY 3.0
Free Download / Stream: audiolibrary.c...
Music promoted by Audio Library • Gold - Hotham (No Copyright Music)
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