STEM kit is divided into over 250 pieces, along with visual assembly instructions. Based on a classic V8 configuration ... The finished engine measures 7.25 x 7.25 x 11 inches, making it suitable ...

Now $69, down 30 percent off its usual $100 sticker price, this miniature engine kit ... of a V8 or inline-six ...

Now $60, down $40 off its usual $100 sticker price, this miniature engine kit ... of a V8 or inline-six configuration—with a big, exciting project in a small package before the sale ends.