Pay in 4 interest-free payments of $2.62 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
kids learning math
The cube unravels
With customizable features
Please copy and paste the following link in your browser for a video explaining this entertaining trail run puzzle
take the challenge anywhere
10 Penny Puzzle | Coffee Table Game puzzle kids learning math10 Penny Puzzle is a handcrafted wooden brain teaser that looks trivial and is anything but. Lay all ten pennies flat inside a shallow recess that seems too small to hold them. The opening is precision cut so the coins fit only one way, which turns a handful of change into a real puzzle. It is a hands on take on a classic recreational math problem, circle packing: fitting equal circles into the smallest possible square. Ten is a famously awkward case,
US$ 40.00
US$ 32.00
US$ 20.00
US$ 51.00
US$ 58.00
