Steve Spangler Science® Balloon Powered Helicopter 4 Pack

Steve Spangler Science® Balloon Powered Helicopter (4 Pack). This classic toy 4-pack isn’t just fun, it’s also educational. You get to put the helicopter together from scratch, too. Start by connecting all the parts as the back of the package shows. Then simply blow up the balloon, pinch it shut, and wrap it over the plastic tube. Toss it up into the air and watch the helicopter spin and propel itself further into the air. All the while, the escaping air- Steve Spangler Science® Balloon Powered Helicopter (4 Pack).