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A flat stone-like surface for writing on with chalk. Placed near a lesson desk, blackboards increase childrens' learning rate during lessons. Up to three blackboards can be used at a time.
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Each blackboard increases a student's learning rate by 20%. This effect can stack up to three times.
|Material||Stuff cost||Beauty||Work to Build||HP||Flammability||Market Value|
|Wooden Blackboard||15||2||ticks (11.67 secs)700||39||100%||21|
|Granite Blackboard||15||2||ticks (1.71 mins)6,140||102||0%||36|
|Limestone Blackboard||15||2||ticks (1.71 mins)6,140||93||0%||36|
|Marble Blackboard||15||4||ticks (1.57 mins)5,640||72||0%||34|
|Sandstone Blackboard||15||2||ticks (1.43 mins)5,140||84||0%||32|
|Slate Blackboard||15||2||ticks (1.71 mins)6,140||78||0%||36|
|Jade Blackboard||15||15||ticks (1.39 mins)5,000||30||0%||93|