What stores cell a challenging rubik cube??

Question

Now i have done this Rubik cube..

http://psc.disney.go.com/eventservices/disneygallery/media/events/rubiks%20cube.jpg

Now im looking for something more challenging. I want something harder, but i dont know what stores sell hard and challenging ones for cheap. Can anyone post what stores and name the cube if its named differently. BEST ANSWER WILL RECIEVE 10 POINTS!

Answer 1

for $26.62

you can get Rubik's Professor Cube 5x5 at Amazon....I got one at Old Sacramento ...it cost me $36...no I have not been able to solve it ....I know how to solve the regular one but not this one ....follow link

Answer 2

wALMART

Answer 3

Try Spencer's in your local mall.