During the original release of The Sims 4 on PC, the Sims team gave players a special plumbob-shaped lamp to players for each expansion pack they owned as well as the base game. Each lamp gives off an emotional aura, such as an inspiring aura for the one from Ambitions, or a focused aura for the one from Into the Future. And any player who had all eleven expansion packs for The Sims 3 also received a special golden statue, which features a llama and the iconic Freezer Bunny.
It seems like everyone forgets about these lamps, though, since people new to the Sims franchise aren’t able to get them. And besides, they aren’t the most practical lighting sources ever. But they look really nice as collectible items!