19×19 cm. 60 picture cards in a box.
120 picture cards Magnum Set + Pocket Set 21 exercises in an eBook (PDF)
840 picture cards All Magnum and Pocket Sets 21 exercises in an eBook (PDF)
480 picture cards 8 Pocket Sets (9x9cm) 21 exercises in an eBook (PDF)
480 picture cards 8 Magnum Sets (19x19cm) 21 exercises in an eBook (PDF)