Constructive triangles
4 sets of triangles in 4 boxes: rectangular, triangular, large hexagonal and small hexagonal.
Code : 24/M
A box for the blue triangles of 24/M
A extra rectangular box for the blue triangles of 24/m set.
Code : 24a/M
Smelling Bottles
4 pairs of plastic containers to be filled with different smelling substances.In a box.
Code : 31/M
Thermic Tablets
5 pairs of rectangle slabs made from glass, iron,wood, marble and felt.In a box.
Code : 33/M