The coolest part about the Lego Digital Designer is not that you can jump into a very simple yet powerful cad program and build a virtual Lego sculpture. And it’s not that after you build an object, you design the box and Lego will print “how to” instructions and ship the kit to you.
No, those aren’t the coolest parts.
The coolest part is that after you build a masterpiece, you can blow it up. That’s right, there’s a virtual m80 to blast your digital Lego creation into hundreds of swirling pieces … and watch as it reassembles itself.
My seven year old showed me that part.
This keeps your fingers intact for more important things, like chucking water balloons at passing cars.

The app is free, and you can download it here.