DISCOVERY MINDBLOWN Model Motor Engine Kit STEM Ages 8+ NEW 104 Piece Kit
The cheapest and easiest way to learn about automotive 4 cylinder engines!!!
high quality manufactured model kit. Only one complaint, the spark plug wiring is very cumbersome because each plug light has to have a + and - wire to complete the DC circuit. Maybe for future production the manufacturer can include heat shrink tubing or some other type of...Read full review