Plank:
Lets mine log, press R+L click "craft plank from log"
Bone:
Lets mine sand, press R+L click "craft bone from sand"
If you wanna have log you must dig tree :).
If you wanna have sand go outside water, or under water, you will find it.
Official website(for support)
:Michal5575.cz
Official website of this alphatest:
Michal5575.cz/AT3
Official website for DevRels:
Mcpspe-beta-program.cf