SPARK THEIR IMAGINATIONS! Does your child dream about creating the next greatest invention? Want a fun exciting way to keep them entertained? INTRODUCING THE DISCOVERY #MINDBLOWN DIY TOY MODEL ENGINE KIT. Let your kid get their hands on this DIY mini replica of a classic four cycle internal combustion gasoline car engine! This intuitive engaging gadget allows children to play around with the valves cylinders cranks and pistons all in one kit. It also delivers powerful action using the provided cables and battery pack distributor for nonstop fun! • Dimensions: 15"x 3.5"x 12.2" • Bring a model engine to life using over 100 custom parts Watch valves open and close spark plugs light up and pistons drive the crankshaft just like a real gasoline engine. • Featuring a rotating fan mechanism turning crankshaft and moving valves this educational science kit offers a fun and entertaining way to learn the basics of an engine. • The fully transparent housing allows you to observe and understand how a real engine actually works. • WARNING: CHOKING HAZARD – Small parts. Not for children under 3 yrs