Show off your collection of sea shells. Carefully place inside the lamp to display to each shell's advantage.
Fill the lamp with brightly colored marbles, sea glass or pebbles. Drop in slowly to avoid cracking or chipping the glass.
Pour different colors of craft sand into the lamp base, layering carefully to create bands of color.
Place a collection of rocks or pebbles in the lamp. Set each rock in place to show its best side or angle.
Display a collection of pine cones or other natural objects inside your lamp. You can also use silk flowers or greenery.