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If you do not own thousands of parts to build
JohnNXT, you could try this smaller
yet very funny version. It features two moving treads and a cannon
that can aim and shoot.
Mini JohnNXT can roam using the ultrasonic sensor, react to sounds,
follow lines on the ground, or can be completely remote controlled,
using the Bluetooth remote from my
book.
It can be built with a NXT retail set, plus an
arrow, a
cannon, two
zamor magazines, many
tread links and six black
sprockets.
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