But pressing the big “play” button runs the code compiled by the blocks. It opens two little portholes on the top of the block, which the iPad camera recognizes as an input command.

Minecraft: Education Edition can now teach kids how to code with the new Code Builder tool and the 'Agent', an in-game robot. Mojang will add Command Blocks in Education Edition later this year.

Google Says You Should Play With Blocks With a new initiative called Project Bloks, a team of Google researchers is trying to make coding a hands-on experience---literally.