DIGI-BLOCK

Digi-Block is the only base-10 system with blocks that pack and unpack. Teach counting, addition, subtraction, multiplication, and division. You'll be amazed at how intuitive regrouping and borrowing are with Digi-Block... The key to PLACE-VALUE is to think of "ten" in two different ways - as one thing and as ten things. With Digi-Block, this potentially confusing duality becomes physically obvious: a block-of-ten looks like one thing, but when it's open, it looks like ten things! Children who work with Digi-Block develop a natural, intuitive understanding of place value... Blocks-of-1000 will ship in early July. Receive 25% off all orders of $700 or more with code "25OFF"

Also known as: Digi-Block, Inc.