Snowboards are generally expensive, even if they don't have special graphics. You can't get a good one for under 100 dollars. These boards however, are special and exclusive. They're both Sonic Riders themed, and show him (and Jet too, if you look carefully) on his board, along with the logo. These were done in some sort of very limited quantity, for reasons unknown. (The amount made was either 5 or 10 only, of each) Due to having such a small run, all-over special Sonic graphics, and being actual use-able snow boards, these are sure to be very costly as well as very uncommon.