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with eight super-squiggly springy arms
a bib plus a carry-and-storage bag to keep everything tidy when playtime is over
best known for the multi-million selling „Winnie and Wilbur“ series of picture books
Pull down on its tail to play
cross the Brooklyn Bridge
Wind Power v.5 Puzzle Books with eight super-squiggly springy armsWind is one of the most promising sources of clean, renewable energy available today. With this kit, you can assemble a realistic wind turbine complete with electric generator and adjustable rotor blades designed with complex aerodynamic curves to look and work like modern day wind turbine blades. Experiment with the integrated hand crank to feel energy generation in your hands. Conduct experiments to optimize the turbines performance by adjusting the
US$ 31.00
US$ 39.99
US$ 15.00
