1. There will be clear trademark marks on the base of the genuine bricks, while the marks on the fake ones are very blurry; 2. Listen to the sound, the sound made by knocking the authentic bricks is very crisp, while the fake ones are very muddy; 3. The real signs are The Bang.1018 magnetic ring has a high density and is relatively heavy when weighed, while the fake one is lighter; 4. The genuine product's packaging box has a clear manufacturer's phone address, product model, color number, production date, etc., and it is very clear. The fake ones are very vague.