In a Reddit post with over 700 upvotes, they shared a photo of a brush and a big green Lego square both right by the drain in a sink. "Using a Lego base plate to wash brushes is an affordable alternative to other methods!" the Reddit and Imgur posts read. They commented on Reddit that they've been using this same piece for three years. Another Redditor by the name of Ffreudiannipss said they'd been doing it too.