Toss in your letter to your future self in this wine bottle, solar-powered and glowing abuzz in your room. Except for tossing the bottle into the ocean, you can keep it propped up on your desk and look at it for several years until the point you get to open it. With long-lasting power and battery, the copper wired bulb inside can be left on for use for several years.
It’s an extravagant gift and token of appreciation to you or someone beloved.