3D Game of life

3D Tic Tac Toe

Adding machine

Anamorphosis of the mirrored cylinder

Articulated Arms                                                          

Board games                                       

Bulgarian solitaire                                       

Center of mass of flat figures         

Chaotic waterwheel                                       

Chladni plates

Circumference drawing

Clumsy wagon

Descendant washers                           

Double pendulum and butterfly effect

Ellipsographs                                       

Equidecomposability

Flexible polyhedra

Fractals

Galton box

Gears

Harmonic series

Harmonograph

"Hex" Game

Icosian

Inaccurate marbles

Intransitive dices

Knots and links

Königsberg bridges

Mathematical tiling

Olympic Revenge board

Peaucellier inversor

Penrose triangle

Plaxis

Polyhedra

Polyhedra's revolution

Reuleaux triangle

Ruled surfaces

Sampling

Sandpiles

Secret Santa raffle

Slide rule

Soap films

Spherical geometry

Steiner tree

Surface topology

Symmetries

Symmetry breaking

Tautochrone

Who is moving the cone?