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.