What this? これはなに?

これはなんでしょう?
ちなみに作り終わるのに13時間かかりました😆
この続きは、展示会で!!

What this?? 😆
Today, It had been making for 13 hours. Just finish!!
If you want know this, Please come to Baru Exhibition!! 09/03-09/24!!

Thank you!