App description:

NumBlox is cuisenaire rods - number blocks - for mobile devices!

o Standard number blocks 1-10 in standard cuisenaire colors. 

o Or choose pretty rainbow, or Math-U-See-inspired pastel colors.

o Standard cyan graph paper - unit grid, 5-and-1, or blank background.

o Math-appropriate graphite pencil with eraser.

o Blocks stack! Clearer expression of "subtract".

o Number display while moving blocks. Or always, or never.

o Tap to rotate block.

o Limited language on user interface.

o Scroll with two-finger gesture.

o Rotate device - edit in landscape or portrait orientation.

o Share artwork via camera roll, email, Facebook, Twitter, and more.

o Or, block Internet access for young children.

NumBlox is available on iPhone, iPad, iPod touch, and other platforms.