FREE SHIPPING with coupon FREESHIP22! Valid for orders $99+ that ship to Canada and the USA.

Download a FREE Solution for your puzzles!

Berechenbar (Napier's Bones)
Click Image to Enlarge
Berechenbar (Napier's Bones) Berechenbar (Napier's Bones)

Berechenbar (Napier's Bones)

36.99 28.94 Estimated value - click to change
ObjectTool for doing math multiplying
DifficultyLevel 7 - Challenging
BrandJean Claude Constantin
TypesEuropean Wood Puzzles, Jean Claude Constantin
Dimensions5.3 in x 4.7 in x .1 in / 13.5 cm x 12 cm x .3 cm

Read Reviews Read reviews, and write your own! Request the Free solution Request the FREE solution for this item!

Product Info

A laser-cut wood tool for multiplying large numbers. The initial state shows a regular times-table from 1 to 9, but by sliding the rods it is possible to multiply large numbers with little effort.

Made in laser-cut wood by Jean-Claude Constantin. Jean-Claude Constantin lives in Germany, where he designs and manufactures many different laser-cut wood puzzles, as well as metal puzzles and magic tricks.

Customer Reviews

Review Icon Write your own review!

This item has yet to be rated

* We can show you estimates of our prices in your local currency, however please note these are estimates only. We will charge your purchases in Canadian Dollars, and your credit card company or PayPal will automatically convert the Canadian Dollar amount into your local currency using their own rates, which may vary slightly from the rates we show.