Stop using chalkboards.  Everytime you do, you are killing inoccent sea creatures millions of years ago. You and your "Calcium Carbonate," Shell Killers. Buy 
Whiteboards, and save the shells and afterwards, if you are in the mood, 
save the whales, and the 
condor, and the 
pengiun on the telly, and the 
ostriches and the...
 
So every time with chalk, it causes sea creatures to die millions of years in the past?
ReplyDeleteHow does that work out?
ohh those poor sea creatures!!! and... whales and... condors - and penguins on the telly and ostriches? o_O
ReplyDelete-aliza