$10-$year$-$old Richard walks into a toy store, TOYS $4$ US$!,$ to buy a cool new dump truck with his birthday savings. Two days later, the truck Richard bought was deemed collectable $($a collector's item$)$ and thus began selling on EBay for triple the price Richard had paid. The TOYS $4$ US$!$ manager realizes this and attempts to cancel the contract he made with Richard. Will this cancellation be successful? Why or why not