any model can be improved. Look over your LT and make improvements. Cut off bolts and axles that are too long, chip out excess glue, iron down seams again, etc.

Get some scrap wood and make wheel pants?

Polish the landing gear or clean it and paint it. Paint a spiral on the spinner. Paint the propeller.

Did you pin the hinges?

Lots of stuff to do. Read everything you can about building techniques, etc. Go clean your tools. Work on your shop. That's a never ending process and always a lot to do there.

Bake some cookies.