These are 8 fully functional and collectable rupees from The Legend of Zelda.
When you touch them, they'll give you the corresponding amount of rupees they would give you in game as health (-10 for rupoor, 1 for green, 5 for blue, 20 for red, 50 for purple, 100 for silver, 200 for orange and 300 for gold).
Whenever a player or NPC dies, it can drop rupees, depending on it's own maximal health. These dropped rupees will also despawn after some time, with a neat animation. Rupees can also give armor instead of health, amount which can be capped. You can configure all these settings under the "Options" tab in the upper-right corner of the spawnmenu, under "Stuff", "Functional Rupees".
They come with pick-up and drop sound. The rupees do not collide with players, but are still useable as normal physics-entities.
You can visit this addon's workshop page to install it.