don't waste your money on Toys r Us crap bikes. bmx riding is HARD on equipment and a bike from a toy store or department store is going to fall apart under you.
Kink Barrier looks like a solid bike- 100% chromoly frame, sealed bottom bracket. that should hold up fine for a while-
Kink BMX ? Barrier
FYI, there are better bmx forums that are a lot more active. I would look into those for future reference.