Tetrahedrons, cubes, octahedrons, duodecahedrons and icosahdrons and other related shapes are made with brass pipes. Inside these shapes new geometrical forms are created with coloured strings.
Experimental kit recommended for young tinkerers and explorers ages 14 years +.
Pack size: 15.7 x 11.5 x 3 cm.
Made in Germany by Walter Kraul.