Setul cuprinde 12 figuri albastre din plexiglas, prevazute cu orificii de umplere, ce permit elevilor studiul raportului dintre lungimi-arie-volum.
Componenta:
Sfera (d.=50mm), semisfera (d.=50mm), cub (latura= 50mm), piramida patrata (latura=50mm, i.=50mm), piramida triunghiulara (latura= 50mm, i.=50mm), con (d.=50mm, i=50mm), prisma triunghiulara (latura=50mm), prisma triunghiulara (latura=23mm), prisma hexagonala (latura= 25mm), prisma patrata (latura=24mm), cuboid (latura mica=24mm, latura mare=50mm, i.= 50mm), cilindru (d.=50mm, i.=50mm).
Autor