Cube and Square Root Bones | For Use with Napier's Bones mayan calendar See our laser engraving page

See our laser engraving page for examples

The first player to land a marble on the top goal wins

The digits 1 to 64 are used

Select your preferred acrylic colors at checkout

It may look difficult

Cube and Square Root Bones | For Use with Napier's Bones mayan calendar See our laser engraving pageMaster classical root extraction with precision crafted wooden bones. This listing offers two variants designed specifically for Napiers method of extracting roots: a Square Root set and a Cube Root set. Choose the variant you need, or add both to complete your toolkit. Each set is made in our Florida workshop and laser engraved for clarity, durability, and classroom reliability. What these sets do Napiers bones use arranged number rods to turn multi