[bright 10 times] conte crayon blackboard newspaper dedicated household non-toxic dust crazy children painting teacher

the brightness is 10 times that of ordinary chalk]

72 pieces [12 colors] 6 pieces per color 72 pieces [12 colors] 6 pieces per color +48 pieces [white] 72 pieces [36 colors] 2 pieces per color 72 pieces [36 colors] 2 pieces per color +48 pieces [white] 48 pieces [12 colors] 4 pieces per color 48 pieces [12 colors] 4 pieces per color +48 pieces [white] 48 pieces [24 colors] 2 pieces per color 48 pieces [24 colors] 2 pieces per color +48 pieces [white] 48 pieces [white]