One of the world's greatest brainteaser puzzles</br>Free the loop from the puzzle</br>Be careful this little teaser might make you go loopy</br>Three hint cards help you get to the "Aha" sensation of solving a great brainteaser</br>Learning skills:  logic?? deductive reasoning?? abstract thinking?? spatial relationships</br><br/>http://www.amazon.com/gp/product/B000GI10XC