“As the materials provide such a perfect, concrete way to represent and understand base ten and all operations, even young children can count and compute at a very early age.”

‪Dotty Corbiere, Teacher - MeadowBrook
  • The Team

    The Team

    Led by Dr. Elon Kohlberg, Professor of Business Administration at Harvard Business School. We help children learn.

    Our Story
  • The Blocks

    The Blocks

    Fun, intuitive, and simple. Base 10 number system taught through physical blocks. See the math. Feel the math.

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  • Teacher Resources

    Teacher Resources

    Tutorials. Videos. New Excercises.