1.

nr13/18x9x9/ 2pieces/

2.

nr49/ 13x13/ 3 pieces/

3.

nr26/20x7x7/2pieces

nr14/18x12x8/1piece

4.

nr6/198x9x9/2pieces

nr43/10x10x10/1piece

5.

nr33/13high/2pieces

nr22/18x11/1piece

6.

nr57/15high/1piece

high11/1piece

7.

nr32/16wide/1piece

nr25/24high/small damage top/1piece

8.

nr46/16cm/2pieces

nr39/13x9/3pieces

9.

nr20/14x10/3pieces

13cm/3pieces

10.

nr5/15cm/3pieces

11.

18x7/1piece

vintage professional school shapes

cube/ prism/cuboid/octahedron/dodecahedron...

plexi

inside , colored iron bars

numbered

ca 1960

good condition

superficial traces of use and age