Arrr! Avast ye! Construction looks to be a later crafting puzzle, so ye should just check back here when the other puzzles are well underway.

Construction will be used to make forts after an uncolonised island is succesfully blockaded, and it will also be the puzzle for the Realtor and Construction Sites. In the realtor, or construction site, ye can access it by clicking on the toolset.

And it's time for... yet another puzzle suggestion!