If you try to scroll the toolbox by clicking/touching a block and dragging horizontally, it will pluck the block out of the toolbox. This means you have to either use the scrollbar or the margins ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Lasers! Oh, I think Darren would be jealous he's not here today. So to start, let's load up the Scratch ...

In an interview with Mitchel Resnick, who leads the group at MIT that develops Scratch, Amanda Sandler, CS First Program Manager asked Mitchell to explain main new features of the new Scratch 3.0 ...