Spy toy gadget maker Brando has this "Magic GIANT 12-Surface IQ Pentagon – Fantastic Edition" for $49.90.
The FANTASTIC SIZE and COMPLEX IQ Cube!! The GIANT 12 surfaces IQ Pentagon! You may never face this complicated one! Your home cannot miss this one. You may not solve it, you can just disassemble it and try it again! This is the most perfect for your Left & Right Brain Training. Let's GRAB and CHALLENGE it!