Towers

towers for web

 

This is a wonderful puzzle which requires a person to think in three dimensions. Most people seem to find it easier (and more fun) to start by working with physical pieces on a grid.  I’ve introduced it to classes as young as grade 5, and to individual students younger than that.

 

Here are:

I’ll post more 5×5 puzzles soon!

You will find many puzzles of varying sizes and degrees of difficulty at Simon Tatham’s Portable Puzzles and at Brainbashers.  There is also a commercial version called Utopia.