The day after

This is a 3 piece illusion desk toy. Handmade and handpainted It is based on the Twelve-Thirteen riddle. If we change the two top parts positions, 13 plague doctors become 12. Similar toy: Summer supper Learn more:

Devil’s Bridge

DEVIL’S BRIDGE. Inspired by the model of the bridge Codex Atlanticus designed by Leonardo da Vinci in 1487. Legend has it that one day the Master Builder creates a bridge robust, simple and well done. Word spread that only with supernatural help this wonderful work could be built. In return, the manufacturer had promised the … Read more

Escape from Alcatraz

Help a prisoner escape, modify the position of the 5 pieces. By trying you will recreate a square with the same dimensions. But surprise a hole will appear, so that the prisoner finds the way out. Modifica la posizione dei 5 pezzi, provando potrai ricreare un quadrato delle dimensioni uguali, ma sorpresa scoprirai un buco … Read more


This is a tile formed by 14 pieces. It was situated a hundred years ago in the gardens of the library of Cordoba. An abstract geometric decoration. Its origins date back to 1100 , when Cordoba was a center of civilazation , culture and tolerance, in which arabs, jews and christians lived in great harmony. … Read more

Hommage to Albrecht Durer

Can you make a square so that not only the rows,columns and diagonals add to 34, but also the 4 corner numbers, the 4 central numbers and each of the 2×2 corner squares add to 34? who was Albrecht Dürer Ed Brumgnach on Magic Squares and Masonic Cipher

Vitus Bering

Transform the 7 pieces that make the pentagon in to a square. You will find the Northern pole star at the end of the “bob” or “handle” of the Little Dipper asterism in the constellation Ursa Minor. So the boat can find where the north is. FORMA COI 7 PEZZI DEL PENTAGONO UN QUADRATO NEL … Read more


The spider, a factory worker, made his beautiful and perfect dodecagonal canvases. One day the boss told him to make a square canvas. With the six pieces that compose his web help him make a square one. Il ragno, operaio in una fabbrica, faceva le sue belle tele dodecagonali perfette fin che un giorno il … Read more

The Emperor’s Turtle

According to Chinese legend ,the first magic square appeared to the emperor Yu while he was walking beside the Yellow River more than 4000 years ago , on the shell of a turtle. In the square the sum of the numbers from 1 to 9 , in each row, column and diagonal add up to … Read more

The Game of Pentominoes.

Ecologists against speculators: The game consists of a chessboard where you take turns placing pieces. On one side of the piece we can see a skyscraper, on the other some trees. One player plays as the speculator and the other as the ecologist. In turn, you simply place the pieces on the chessboard. The speculator … Read more