MARTIN 6×6 Challenge
A Sudoku sliding puzzle using the letters in Martin’s name. Complete the puzzle so that the 6 horizontal and vertical rows contain all six colors and the six letters of …
Pack of Little Fibs Trick
A quick card trick requiring only 6 cards and some very simple math. Learn it in minutes and impress for years! Submitted by: Colm Mulcahy Time Required: 10 minutes You’ll …
A Better Mousetrap
A Better Mousetrap is three-part topological effect from Magician Michael Weber, in which part of a 5×7 index card seems to magically pass from one side of a spectator’s hand …
Nobbly Wobbly Workshop
Host your own Nobbly Wobbly Workshop! Materials and resources will leave your group considering the aesthetics, psychology, and mathematics involved in quality puzzle making and solving. Submitted by: Dick Esterle …
Ice Cream Trick
Wow any audience with this no fail ice cream trick. Based on simple mathematical principals which you can learn about here, but appearing to be nothing more than magic! Submitted …
3D Dragon Illusion
Print, Cut, Fold and assemble your very own Thinky the dragon. Close one eye and slowly move around the room. Isn’t it amazing how Thinky follows you wherever you go? …
Möbius Strip Surprise
This simple mathematical wonder seems like magic every time! You’ll only need scissors, tape and your printed PDF to create Martin Gardner’s Möbius Surprise. Before you cut, challenge your friends …
Flexagon Party
There is no better way to celebrate Martin Gardner than to throw a Flexagon party! Here you will learn how to make basic and advanced hexaflexagons and trihexaflexagons. Find books, …
Dollar Bill Geometric Vanish
Without violating the laws of physics or logic you’ll amaze your friends by showing them how seamlessly you’re able to make Martin’s face disappear from this dollar bill. Simply cut …
Vi Hart Balloon Booklet
In this edge-matching puzzle you’ll have to figure out how to arrange seven double-sided hexagons in a hexagonal pattern so that all of the meeting corners on both sides match …
Heart Mobius Strip
Turn two regular Mobius strips into linked hearts. It’s the perfect activity for Valentine’s Day or to share with friends. All you need is paper, scissors, tape and someone you …
Dots & Boxes Game
Download & Print the Template: Download our Dots & Boxes template! Then print as many game sheets as you want. This is a classic pen-and-paper game that everyone should learn how to …
Thoughts on Celebration of Mind (CoM)
Martin Gardner is celebrated yearly around the world. Thousands of people join in at schools, science centers, museums, coffee shops, etc. to share mathematical activities. Yes, we are talking about mathematics! …
Collaboration with 52 Master Pieces Project
G4G is pleased to announce our collaboration with the 52 Master Pieces project. Presented by David Cohen at the G4G12 conference, 52 Master Pieces is a free online puzzle contest designed to inspire creative …
Israel Celebration of Mind
Honoring Martin Gardner’s 101st Birthday Israel’s Celebration of Mind took place at Café Smadar on the campus of the Weizmann Institute of Science. The Davidson Institute of Science Education organized …
Gathering for Gardner Beijing 2015
The Gathering for Gardner Beijing was held at Report Center of the Capital Educational University in 17th of October, 2015. Many people from different careers came to give a talk …
Multi-National Puzzle Competition
Dear Celebration of Mind hosts, In honor of Martin Gardner’s 101st birthday and the 6th Celebration of Mind, we will be holding, once again, an online ‘Google Hangout’ multi-national puzzle …
Israel’s Celebration of Mind Event Is on the Map!
Israel was one of our first international countries that took part in Celebration of Mind. The events have been going strong every year, hosting hundreds of participants that flock from …
Genius At Play – 20% Off for All Hosts
Thanks to the publisher & author of “Genius At Play,” anyone who signs up to host a Celebration of Mind event will be able to receive this book for 20% off at …
National Math Festival
Come experience the many facets of Celebration of Mind! Cut, color, fold, and glue mathematical illusions, discover the many faces of a flexagon, and construct surprising shapes out of mobius …