Seventy is a character with 70 blocks.
Seventy has 70 multi-coloured blocks, 10 of each are in the 7 colours of the rainbow, to show he is 10 times 7.
He has a similar face to Seven's, as well as rainbow hair, rainbow limbs and a wristwatch,
- The main reason why Seventy's red Ten blocks aren't white like Ten is primarily because it needs to fit in with the other 6 tens, which are lighter shades of the rainbow.
| Numberblocks characters
Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen, Twenty, Twenty-One, Twenty-Two, Twenty-Five, Thirty, Forty, Fifty, Sixty, Seventy, Eighty, Ninety, One Hundred, One Thousand, Ten Thousand, One Hundred Thousand, One Million
Big Bad Square, The Terrible Twos, Octoblock, The Three Threes, Octonaughty, Step Squad, The Four Fours
Twenty-Three, Twenty-Four, Thirty-Five, Thirty-Six, Forty-Two, Forty-Nine, Sixty-Four, Ninety-Nine, Two Hundred, Three Hundred
Flapjack Snaffler, Blockzilla, Big Tum
Fluffies, Squarey, Numberblobs, Aliens, Rainbows, Flatlanders, Alphablocks