Project Ideas for 3D LEDs

My partner and I are brainstorming about something we could make with a 3D printed design that uses LEDs:

1. light up clock

2. light up shoe

3. water bottom that lights up depending on how much water you have in the bottle

4. light up earnings

5. light up glasses

6. light up hair extensions

7. light up speakers

8. light up socks

9. light up bookmarks

Top 5:

1. water bottle

2. hair extensions

3. Eiffel tower

4. light up watch

5. glasses

Other Table Top 5:

1. human heart diagram

2. light up dagger

3. light up brain

4. light up CA sign