When you drag and drop fast there is remaining a gap between the block and your finger that is not constant. It depends on the speed and initial angle of your drag. Having a constant gap when you don't move should be reach. The actual moving effect is nice.
Sometime you have the block hidden by your hand specially for action block if your are right-handed. Difficult to say what to do for left-handed. Specially young kids use both randomly.
When you drag and drop fast there is remaining a gap between the block and your finger that is not constant. It depends on the speed and initial angle of your drag. Having a constant gap when you don't move should be reach. The actual moving effect is nice.
Sometime you have the block hidden by your hand specially for action block if your are right-handed. Difficult to say what to do for left-handed. Specially young kids use both randomly.