One Hand World Records

Brian Pankey dealt 52 playing cards individually with one hand in 22 seconds while spinning a toothbrush in his other hand.

Kai Yi Lim and Boon Hong Ang solved a two-level Tower of Hanoi one-handed in 1.53 seconds.

Kai Yi Lim and Boon Hong Ang solved a three-level Tower of Hanoi one-handed in 2.95 seconds.

Kai Yi Lim constructed a 15-book pyramid one-handed in 9.50 seconds.

Kai Yi Lim and Boon Hong Ang solved a four-level Tower of Hanoi one-handed in 5.69 seconds.

Kai Yi Lim and Boon Hong Ang solved a five-level Tower of Hanoi one-handed in 13.26 seconds.

Kai Yi Lim and Boon Hong Ang solved a six-level Tower of Hanoi one-handed in 29.17 seconds.

Yanhao Deng rolled two AA batteries around each other in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes one minute as the clip ends, and the steady pace on screen, close to two rotations a second, fits Yanhao's count of 103. Small batteries, one hand, no dropping allowed.

Yanhao Deng spun two AA batteries around each other inside one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch propped up beside the hand. The stopwatch is started on camera, runs past 30 seconds as the clip ends, and the quick, steady finger rhythm, well over two rotations a second, fits Yanhao's count of 72. Thirty seconds of nonstop finger work with two of the most ordinary objects in the house.

Yanhao Deng spun two AA batteries around each other inside one cupped hand in Chenzhou, Hunan, with a smartwatch stopwatch propped on a storage box beside the hand. The stopwatch is started on camera and runs past ten seconds while the batteries keep turning, and the quick thumb-driven rhythm, about three rotations a second, fits Yanhao's count of 30. Ten seconds of nonstop finger work, and neither battery gets away.

Yanhao Deng spun two AA batteries around each other inside one cupped hand in Chenzhou, Hunan, with a smartwatch stopwatch propped beside the hand. The stopwatch is started on camera and keeps running for about three seconds while the batteries turn, and the quick thumb-driven rhythm, about three rotations a second, fits Yanhao's count of 3 for the first second. Blink and you miss it.

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes one minute as the clip ends, and the pace on screen, about two rotations a second early on and a little slower near the finish, fits Yanhao's count of 102. Three batteries, one hand, and none of them hit the desk.

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes thirty seconds just before the clip ends, and the steady pace on screen, about one and a half rotations a second, fits Yanhao's count of 47. Thirty seconds of nonstop finger work, and not one battery hits the desk.

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch beside the hand. The stopwatch is started on camera with the other hand and passes ten seconds while the batteries are still turning, and the quick pace on screen, about two rotations a second, fits Yanhao's count of 21. Ten seconds leaves no room for a slow start, and not one battery hits the desk.

Yanhao Deng of Chenzhou, Hunan, stacked five plastic bottle caps upside down into a freestanding column in 3.15 seconds using only one hand. The caps start in a row on a desk in front of a phone stopwatch, and the same right hand starts the clock, sets each cap open side up on the one below, and stops the clock once the fifth is on top. RecordSetter read 00:03.15 on the stopwatch close-up, checked that the other hand never enters the shot, and watched the column stand on its own until the clip ends. Five caps, wrong way up, one hand.

Yanhao Deng of Chenzhou, Hunan, turned five upside-down plastic bottle caps onto their sides in 4.82 seconds using only one hand. The caps start open side up in a row on a desk in front of a phone stopwatch propped against the wall, and the same right hand starts the clock, tips each cap up until it stands on its side like a little wheel, and stops the clock once the fifth is up. RecordSetter read 00:04.82 on the stopwatch close-up, checked that the other hand never enters the shot, and watched all five caps stay standing on their own until the clip ends. Five caps, five tiny wheels, one hand.