sgmakt:

21. Han and Leia Bands

22. Platinum Lego Ring

Which, by the way, interlocks with actual Legos.

23. Periodic Table Rings

24. USB Ring

25. Möbius Strip Ring

26. Stargate Ring and Box

27. Space Invader Band

28. An Awesomely Subtle Superman Ring

29. Harry Potter Book Box

30. Ash nazg durbatulûk…