"Concentration Training Cards" is a set of magic weapons that allow children to complete learning exercises and cultivate concentration in extremely interesting games. By tracing dots and connecting lines, the question settings are gradually improved from 0 to basic, fully training children's hand-eye coordination and fine movements. . Contains 64 cards (double-sided), 2 erasable water chalks, 2 whiteboard markers, 1 eraser, and 1 removable organization ring.