As the end of quarantine is nowhere near yet, we still have enough time on our hands for fun hobbies. Some love reading books, some—watching shows they never had time for before, and then there are the jigsaw puzzle people. They’ll get their hands on the biggest, the hardest jigsaw puzzles that take days to do. For these people, we’d like to recommend the most difficult puzzle to solve we’ve seen yet—this entirely clear impossible puzzle. Get ready for your brain to melt, because this cool puzzle is not bound to be an easy one.

More info: Etsy

For all of you jigsaw puzzle enthusiasts out there, there’s an impossibly difficult all-clear jigsaw puzzle

Image credits: Etsy

For those yearning for a brain-melting challenge, these entirely clear puzzle pieces should be a delight. Currently available on Etsy from the seller LittleFlowerPotShop, this incredibly hard puzzle seems to be really enjoyed by many people who’ve already bought it. “I only have 2 pieces together so far, but I’m loving this! Such a great idea and so well made. Great seller! I’m buying more as gifts,” one person comments under the product.

There are several sizes to choose from

Image credits: Etsy

Based on the level of difficulty, there are four variations of the jigsaw puzzle available with the easiest one consisting of 9 pieces. The moderate puzzle has 25 pieces, the hard one—49, and the crazy difficult one (also known as impossibly difficult) consists of 144 tiny acrylic pieces.

And the pieces are made from clear cast acrylic

Image credits: Etsy

The pieces of the easiest option are approximately 2″ and, as the seller writes, it takes an average adult about 5 minutes to solve it. In contrast, the pieces of the 144-piece puzzle are approximately 1/2″, while the seller writes that it takes “DAYS of fun assembling.”

With the prices starting at $17

Image credits: Etsy

The Etsy seller is based in California, United States and estimates that shipping the jigsaw puzzle should take approximately 4 weeks.

Here are the impressions of people who bought it

And the impressions of people who haven’t yet