Now $70, $30 off its usual $100 sticker price, this Dr. Stem Playz V8 Combustion Engine Kit from Walmart, seems to suggest otherwise. Get It! Made specifically for educational purposes, this Dr. Stem ...

When you first peek at the Toyan V8 FS-V800, it might look like something built for a scaled-down race track. There is a good reason for that, though, and that's because it kind of is. However, the ...