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was introduced on December 13
un chevalet et une éponge essuie doigt
angular exhausts and Combat Identification Panels (CIP)
Nylon mesh is included to recreate the baskets encircling the turret
Ages: 6-13
ENGINO Mechanics Gears & Worm Drives Bricollage was introduced on December 13Discovering Stem. mechanics: gears & worm drives. Discover how Worm drives are used to greatly reduce rotational speed and how screws can convert rotational motion to linear, while greatly increasing force. Build 12 working models such as an experimental crane, a gearbox, a carousel, a helicopter, a screw press and a crane with a rotating arm.
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