Why not make a little profit yourself with a little adjustment?The blocks aren’t too difficult to make, so once they’re made, try offering potential buyers the ability to customize the blocks. You can add names of family members on the blocks to make a “Jenga Family Tree”, or perhaps throw some math equations on their as a sort of “Jenga Flash Card” set for budding children.
Another fine example of remodelling furniture and re-using what already exists in the house. The bookcase involves using your old kitchen cabinets, and building new shelves on top of them. The final product can also be used as an entertainment unit, housing a television, books and things of your interest along with ample storage to keep other utility objects.