Five Star Gift Ideas

Based on the information that your grandpa enjoys the phrase "-1' OR 2+67-67-1=0+0+0+1 or 'BbpxwBYI'='", it seems like he might have an interest in coding or problem-solving. Here are a few gift ideas that could resonate with his interests:

1. Coding Book: Consider getting your grandpa a book on coding or programming languages that he might find interesting. There are books available for beginners as well as more experienced coders. This gift will allow him to explore his interests and learn more about the field.

2. Puzzle Set: Since your grandpa seems to enjoy problem-solving, a puzzle set would be a great gift idea. It could be a jigsaw puzzle or a brain teaser set that will keep him engaged and challenged. Look for puzzles that have a coding or mathematical theme to align with his interests.

3. Code-Breaking Game: Another option is to gift him a code-breaking game or kit. There are various board games or online games that involve deciphering codes or solving puzzles, which can be a fun and interactive way for him to enjoy his interest in coding.

4. Online Coding Course: If your grandpa is interested in developing his coding skills further, you could consider gifting him an online coding course or tutorial. There are many reputable platforms that offer comprehensive coding courses, allowing him to learn at his own pace and explore various programming languages.

5. Tech gadget: If your grandpa enjoys coding and technology, he might appreciate a new tech gadget. Consider items like a programmable robot, a Raspberry Pi, or Arduino kit. These gadgets can provide endless opportunities for him to experiment, create, and code.

6. Customized T-shirt or Mug: To celebrate your grandpa's love for coding and problem-solving, you could consider gifting him a customized T-shirt or coffee mug with a coding-themed design or a witty phrase related to coding. This gift can be a unique and personalized way for him to proudly display his interests.

Remember, the key to a meaningful gift is to show that you have taken the time to understand your grandpa's interests and hobbies. Choose something that aligns with his passion for coding or problem-solving, and it will undoubtedly make his birthday special.

Or you can get him a star map with the date when he was born.