04:46

A Multiplication Circle

01:18

Cut the letter E part 2

02:00

Cut the letter E part 1 solution

01:30

Cut the letter E part 1

01:29

A Clock Puzzle Solution

01:03

A Clock Puzzle

05:28

MegaFavNumbers: Two primes to remember.

05:55

MegaFavNumbers: Lewis Carroll's Number

14:21

Magic Squares part 4: The most magical of them all

11:34

Magic Squares part 3: The magic in the mirror.

18:47

Magic Squares part 2: The odd 5×5 can make you win a bet.

00:49

The 4 T Puzzle solution

11:34

Magic Squares part 1: the secrets of the 3×3

01:29

The 4 T Puzzle

01:27

TyYann Challenge Update 2

01:16

A Sam Lloyd Puzzle Solution

02:07

TyYann’s Challenge Update

02:00

A Sam Lloyd Puzzle

03:53

TyYann's Puzzle Challenge: Are you ready for this?

08:31

Likee Wooden Puzzle Unboxing and Review

20:33

The Meiji Hanayama Anti Slide Puzzle

05:14

The Mystery Multiplication Solution

00:42

The Mystery Multiplication

03:04

An Alternate Puzzle Solution

02:10

An Alternate Puzzle

00:48

True or False Solution

01:02

True or False

04:21

Find the Five Numbers Solution

01:32

Find the Five Numbers

02:07

Another Length Puzzle Solution

01:38

The Red Arc Puzzle Solution

01:01

Another Length Puzzle

01:01

The Red Arc Puzzle

01:16

The 2016 digit numbers solution

01:22

The 2016 digit numbers

00:38

Cut the rectangle puzzle solution

00:51

Cut the rectangle puzzle

10:38

How Many Cubes Solution

01:25

How Many Cubes?

00:54

Guess the Third One solution

00:48

Guess the Third One

08:01

The Consecutive Numbers Puzzle Solution

08:03

A variation on an Ulam Spiral: a Sacks Spiral

07:33

An Ulam Spiral

06:23

Steps and Turns

03:34

Unfolding the dragon

01:47

The Consecutive Numbers Puzzle

01:55

Not Proving the Fermat Wiles Theorem

04:33

Proving the Fermat-Wiles (Fermat's Last) Theorem?

01:02

A Pi Day Puzzle Solution

04:53

Cubing A Cube Solution

02:47

A Pi Day Puzzle

06:41

Unboxing Some Maths Gear

10:48

Curly Cube from Puzzle Master: Unboxing, Review and Tutorial

01:41

Cubing the Cube

05:15

All Numbers are not Positive

02:40

All Numbers are Positive

01:20

A Drone Puzzle Solution

04:33

A Drone Puzzle

06:01

The Paper Ladder Puzzle solution