Large set of geometric bodies/shapes

Large set of geometric bodies/shapes (15 pieces), first half of the 20th century, made of solid wood with a beautiful aged patina. Various shapes include cuboid, cube, pyramid, cylinder, cone, and an egg-shaped sphere. One cone is divisible. Some pieces have handwritten notes in pencil and pen, and the cube was also used as a game die by students. One shape has a sticker with an inventory number or similar marking. These wooden models were used for teaching purposes at universities. Age-appropriate signs of use (see photos). Dimensions: 5 to 15 cm.