Why should your special person love their gift? Because you're holding a thermal detonator! (gift box)
You'll need to find three transparent 6mm stick-on gems and one 10mm red, to act as the various lights.
If you don't have a 3D printer but you'd really like one of these please send me a DM and we can arrange for me to produce one for you, or check out my Numonday store: