Paper Purse http://www.mathematische-basteleien.de/purse.htm
How to fold a purse.
Cut off a strip of paper, so that you have a rectangle about double as long as broad
Dein Suchergebnis zum Thema: have
Dice http://www.mathematische-basteleien.de/dice.htm
My view on the Dice
The dice have 21 points.
Fortune Teller http://www.mathematische-basteleien.de/fortune_teller.htm
How to make the fortune teller
If you unfold the fortune teller, you have got a triangle pattern.
Tetraflexagon https://www.mathematische-basteleien.de/tetraflexagons.htm
My View of Tetraflexagons
Faces 1 and 3 have two loops. A pencil shows them.
Happy Cube http://www.mathematische-basteleien.de/cube_its.htm
My view on the puzzle Happy Cube
But you can show, that you need 26 cubes for all the corners, but 4 mats only have
Froebel Star http://www.mathematische-basteleien.de/froebelsstar.html
How to make the Froebel star
Make sure that you have to fold down to the left. 13 Fold the same strip up with
Roman Numerals http://www.mathematische-basteleien.de/romannumerals.htm
My view on Roman numerals
stands for centum=100, known from centimeter=cm >L is the lower half of C, if you have
Hexominos https://www.mathematische-basteleien.de/hexominos.htm
Playings with Hexominos
Thus you have six groups.
Rubik’s Magic http://www.mathematische-basteleien.de/magics.htm
My view on the puzzle Rubik’s Magic
If you have solved Magic, this square goes into the centre.
Cat’s Cradle http://www.mathematische-basteleien.de/catscradle.htm
My view on Cat’s Cradle
Matratze, 5 Katzenauge, 6 Schweinchen auf der Leiter, 7 Standuhr The names, which I have