The Lucky Palanquin is a piece of decor from the decors shop of Cookie Run Kingdom. This particular piece of decor can be found in the Lunar New Year tab of the decor shop. It was originally added in February 2021 as part of the lunar new year event in which placing one would give some lucky pouches which you could use at the Kumiho Cookie's Pouch Mania event.
See also: All Buildings
You can find the Lucky Palanquin at the following tab of the decors shop:
From there it's on the bottom row, left side.
You can buy this decor for 4,000 coins and it gives 36 decor points.