Jacob’s Ladder Toy https://www.mathematische-basteleien.de/jacob.htm
How to make Jacob’s Ladder Toy
Jacob’s ladder can have different meanings in German (maybe in English, too).
Dein Suchergebnis zum Thema: have
Tetracube https://www.mathematische-basteleien.de/tetracube.htm
Playings with tetracubes
So you have the problem to form a rectangular solid 2x4x4 of all the tetracubes.
Flexagons http://www.mathematische-basteleien.de/flexagons.htm
How to make flexagons
It must have a cross on the reverse side.
Magic Square https://www.mathematische-basteleien.de/magsquare.htm
My view on Magic Squares
If you take the numbers 1 to 9, you have the standard square. ………….8+c.
Magic Hexagon http://www.mathematische-basteleien.de/magichexagon.htm
The magic hexagon and its variants
The hexagons have 1,7,19, 37, … small hexagons.
Hypercube http://www.mathematische-basteleien.de/hypercube.htm
Become familiar with the hypercube
Together the six squares have 6×4=24 sides. 2×5=10 sides (red) are bound.
Oscillation by Friction http://www.mathematische-basteleien.de/oscillation.htm
Oscillation by Friction
Hence you have an harmonic motion.
Tangrams https://www.mathematische-basteleien.de/tangrams.htm
tangram facts
The difference is: You have to change the rational und irrational length of a side
House of Santa Claus https://www.mathematische-basteleien.de/house.html
Drawing the house of Santa Claus is a children game
You have to draw a house in one line.
Stars http://www.mathematische-basteleien.de/stars.htm
My contribution to stars
Obviously you expect that stars must have „pointed points“. 6th possibility: You