Make note that many Lego sets may seem like a good deal, but they've actually been sitting at the same "deal" price for five months or more. For example, this Lego Creator 3-in-1 Flowers in Watering Can set looks appealing at 20% off,

For Amazon Prime Day 2025, you can find a number of LEGO sets and accessories at their lowest price ever. Get Harry Potter or Star Wars Lego sets on sale, too.

The only real issue with a Lego habit is that it gets expensive fast, no matter if you are trying to recreate the entirety of Middle Earth with supersized Lord of the Rings sets, or kitting out your model Formula 1 racing team at home.