Set of 8 2-in-1 folding blocks

MACHINE TRANSLATION (not authorised yet)

A set of 8 "open" geometric solids (h=8 cm) made of transparent plastic: cone, cylinder, cube, perpendicular, prisms correct - triangular and hexagonal, pyramids correct - triangular and square. All solids can be filled with liquid or bulk material for volume comparison. All of them are equipped with colourful meshes, which are slid into the middle of the transparent elements of the set. Multifunctional set presenting the solids simultaneously in three and two dimensions.