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0:04:46

A Multiplication Circle

0:01:18

Cut the letter E part 2

0:02:00

Cut the letter E part 1 solution

0:01:30

Cut the letter E part 1

0:01:29

A Clock Puzzle Solution

0:01:03

A Clock Puzzle

0:05:28

MegaFavNumbers: Two primes to remember.

0:05:55

MegaFavNumbers: Lewis Carroll's Number

0:14:21

Magic Squares part 4: The most magical of them all

0:11:34

Magic Squares part 3: The magic in the mirror.

0:18:47

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

0:00:49

The 4 T Puzzle solution

0:11:34

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

0:01:29

The 4 T Puzzle

0:01:27

TyYann Challenge Update 2

0:01:16

A Sam Lloyd Puzzle Solution

0:02:07

TyYann’s Challenge Update

0:02:00

A Sam Lloyd Puzzle

0:03:53

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

0:08:31

Likee Wooden Puzzle Unboxing and Review

0:20:33

The Meiji Hanayama Anti Slide Puzzle

0:05:14

The Mystery Multiplication Solution

0:03:04

An Alternate Puzzle Solution

0:02:10

An Alternate Puzzle