Solved versions of, from left to right: original Pocket Cube, Eastsheen cube, V-Cube 2, V-Cube 2b. In March 1970, invented a 2×2×2 'Puzzle with Pieces Rotatable in Groups' and filed a Canadian patent application for it. Nichols's cube was held together with magnets. Nichols was granted on April 11, 1972, two years before Rubik invented his Cube. Nichols assigned his to his employer Moleculon Research Corp., which sued in 1982.

In 1984, Ideal lost the patent infringement suit and appealed. In 1986, the appeals court affirmed the judgment that Rubik's 2×2×2 Pocket Cube infringed Nichols's patent, but overturned the judgment on Rubik's 3×3×3 Cube. Permutations [ ].

Pros: • Very customizable interface • Lots of tools for solving and stats • Draw scramble to see if you scrambled correctly • Keyboard shortcuts for penalties and switching events • Unlimited sessions and you can name them • You can connect a stackmat (Though I think there is something about this not working in Chrome) • Actively updated with the • Multi phase splits. You can use this to time your splits for individual steps of your solving.

CLL is a set of 42 algorithms for 2x2 that solves the cube once a layer has been formed on the bottom. This video teaches recognition and execution for the Sune and Antisune CLL cases.

And you can set this to as many as you want. Cons: • Sometimes spits out stupid scrambles like 3 movers for 2x2 even when set to WCA mode. • Sometimes a little glitchy overall Overall I love CSTimer, you can customize it to look however you want and it has lots of handy tools. My person a favorite feature of CSTimer is the keyboard shortcuts. I love keyboard shortcuts for everything I do and being able to switch events or add penalties quicker is great. CSTimer does have a slightly larger learning curve, but once you get used to it I do believe it's the best overall timer. CSTimer also supports mobile, so you can use it on your phone and it actually works surprisingly well.

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I mentioned that the stackmat feature didn't work in Chrome, and this is due to CSTimer not being https, but the developer has said if you want to use a stackmat with Chrome to use this link. Pros: • Downloadable timer so you can always use it offline • 3D draw scramble • Can have huge sessions without much of a problem • Can connect a stackmat • Supports keyboard shortcuts for switching events • You can add solutions to your times to save for later • Simple and clean Cons: • No average of 50 or 100 support. • Not customizable at all • Not that many features overall Lots of people love Prisma because of it's offline use and ability to store large sessions (10,000+ solves) without much of a problem. Most online timers start to really struggle when you start having a lot of times. They'll start lagging and in some cases you'll have too many solves and need to clear your cache which will erase all your solves.

You shouldn't have this problem with Prisma. Pros: • Can race with friends • Can put a password on your solving room so that no one else can join Cons: • People frequently lie about their times and who they are • Terribly easy scrambles. Often times on 2x2 you'll get several 4 movers in a row • Poor starting timer design • No stackmat support (Even for manually entering times) TwistTheWeb is honestly pretty terrible. It's only redeeming feature is that fact that you can race your friends. Other than that, it's awful. The scrambles it gives out are ridiculous and should definitely never count towards PBs.

You'll also frequently encounter people using fake usernames such as Feliks Zemdegs pretending to be Feliks. So you really can't trust a lot of the people on there. Pros: • The scramble generator is what is used for official WCA competitions • Unlimited sessions • Draw scramble for every puzzle • Customizable keyboard shortcuts Cons: • Scrambles for Square 1 can take a long time to generate • No average support besides 5, 12, and 100 • Can't name sessions. It's just date followed by time. TNoodleTimer is based off the code used for generating official WCA competition scrambles. While it is a fairly basic time you can rest assured that you will always have a legit scramble and not something ridiculous that shouldn't count.