Five Star Gift Ideas

That's great! Here are a few meaningful and personal gift ideas for your grandpa who loves treehouse building:

1. A book on treehouse designs: You could get your grandpa a book that has a variety of unique and different treehouse designs for him to get inspired by. This could serve as a great source of ideas for future treehouse projects.

2. Treehouse building kit: There are treehouse building kits available online for people who enjoy building things. You could get one for your grandpa so that he can have something to work with and build a small treehouse.

3. A visit to a treehouse resort: If your grandpa loves treehouses, why not take him on a trip to a treehouse resort? This would be a great way for him to see what others are building and to gather more inspiration for his own projects.

4. Treehouse blueprints: If your grandpa likes designing his own structures, you could look at getting him a personalized set of blueprints for his next treehouse project. This would help him figure out the structure before starting to build.

5. Customized treehouse sign: To add a personal touch to his creations, you could get your grandpa a customized sign for his treehouses. This could be a great way to celebrate his creations and add a personal touch to his projects.

Or you can get him a star map with an important date you share.