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The third mechanical block moves the lower drawer in the middle of the Box
Pack Size: 317*233*39 mm (12
"Rubber powered"- flying- authentic scale balsa wood kit
More than a dozen of the newest and most popular ultra micro
Turn the crank handle clockwise to set the machine in motion
Rubber Band Racers, Science Kit Display Cases The third mechanical block movesIncludes Color Education Manual Fly into physics fun with five models Driven by an awesome rubber band powered propeller use ultralight plastic and bamboo parts build a helicopter, fan boat, airplane, car, and catamaran Learn how the elastic material stores energy and then release it to move the models
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