Engino Mechanical Science: Pulleys Construction Kit  (Multicolor)

Engine Solar Powered 20 - in - 1 Pro Duo Kit. 20 remote control projects to teach kids all about solar power and building! Inquisitive youngsters will have fun while they learn all about this alternative energy source! There's 20 interlocking-piece projects to build, plus the solar panels, motor module and handheld remote to bring the projects to life! With the clear printed instructions for each of the projects, learning and building is surprisingly easy. Remote and motor can also be powered by 2 "AA" batteries (not included). Warning: Choking hazard, for children 8 and up. Order today! Engine Solar-powered Pro Duo; From the Manufacturer; The solar pro duo set is the ultimate solar set, including 2 solar panels of 1.5V each, which may be connected in series for increased power. The panels can be connected directly to the motor or they can connect to the RC handset, powering up the Models effectively even from a distance. The greatest advantage of this set-up is the ability to drive Models regardless of their position relative to the Sun. The set includes all Models from the smaller sets of Solar machines and Solar cars and four more Models for advanced building. Printed instructions for all 20 Models are included.