Fortune Teller https://www.mathematische-basteleien.de/fortune_teller.htm
How to make the fortune teller
If you unfold the fortune teller, you have got a triangle
Dein Suchergebnis zum Thema: have
Figures made of 24 Bar Magnets https://www.mathematische-basteleien.de/magnets.htm
Figures made of 24 Bar Magnets
But two cubes have 16 balls.
Happy Cube https://www.mathematische-basteleien.de/cube_its.htm
My view on the puzzle Happy Cube
need 26 cubes for all the corners, but 4 mats only have
Heart Curve https://www.mathematische-basteleien.de/heart.htm
The heart – a mathematical figure.
their centres on the (yellow) circle have a cardioid
Dice https://www.mathematische-basteleien.de/dice.htm
My view on the Dice
The dice have 21 points.
Froebel Star https://www.mathematische-basteleien.de/froebelsstar.html
How to make the Froebel star
Make sure that you have to fold down to the left.
Kaprekar Number https://www.mathematische-basteleien.de/kaprekar.htm
Playings with numbers
You may have to repeat this procedure.
Roman Numerals https://www.mathematische-basteleien.de/romannumerals.htm
My view on Roman numerals
from centimeter=cm >L is the lower half of C, if you have
Rubik’s Magic https://www.mathematische-basteleien.de/magics.htm
My view on the puzzle Rubik’s Magic
If you have solved Magic, this square goes into the
Cat’s Cradle https://www.mathematische-basteleien.de/catscradle.htm
My view on Cat’s Cradle
Schweinchen auf der Leiter, 7 Standuhr The names, which I have