I am at level 71 and would like to know what I do with 1) wasabi sauce (I already have 3 and it got..

The fountain pens are used with the First draft to produce books. First draft is the final product from merging stationery.

I think they’re more for diamonds for upgrade spots than people wanting them

Don't sell the fountain pens. You need to merge those with the final journal (?) from the pencil case so you can make stories and comic books.

Pen: you build the highest stationary. Then insert the pen in the stationary and a book pops out.

Bug Lantern: after you get the bug lantern sell them. I use build up to the sailboat and sell it. By selling all those pieces you get for free you can build up your coins. I bring my jewelry and ice cream out empty them. Sell all the pieces and place them back in storage.

Wasabi sauce: I have been searching for the same answer. I was hoping it was something like the pen. But no one knows. My thoughts are since it is not something I had to pay to build it will be like the be like the bug lanterns, where they get sold. I have 8 already. I need to do decide what to do as well.

Fouinnpen, should be added to the open book.

This will produce other items. The bug thing.

I have same problem with