Need gift suggestions for a treasure hunt for my boyfriend?

Hey! I’m in a long-distance relationship with my boyfriend, and we only meet twice a year. I’m planning a special treasure hunt for him when we meet soon and would love to hear some advice on what gifts to include. The idea is to give him around 10-11 gifts, each representing a year we’ve known each other. Budget is not an issue, but I’m thinking of keeping it balanced with a mix of high and moderate-value gifts—maybe 1-2 gifts around ₹5-10K INR and the rest within ₹10K types.

A little about him:

1. He’s a big nerd (in the best way!)
2. Loves F1 races, cars, Harry Potter, movies, songs, and games (yes, he’s a huge gamer).
3. He also loves me (obviously 😂)
4. We have a lot of memories from our time in Bangalore, so I’d love to incorporate that too.
5. We used to go out on his scooty/ activa.. and called it ducati as a joke.. so something related to that too maybe..

I’m particularly looking for: -Unique, personalized gifts (but not necessarily super expensive). -Any nostalgic portable games that could be fun and meaningful. -Anything related to our time in Bangalore—maybe something to evoke those memories?

Any creative ideas or suggestions you guys have would be really helpful! Thanks in advance!