Tip:
Highlight text to annotate it
X
take a styrofoam cup
and first
cut its bottom then cut the cup
along its height
equally into four parts
to make
the plates for the fan
all the four plates
will be exactly similar
now take two pieces of card sheet and poke a
tooth pick inside them
now between the two card sheets
you have to press fit
all the four plates
but first you should apply glue to them
and now press fit the corners of the
blades, and
tightly adhere them
to the two card sheets
place the tooth pick inside a stiff
plastic straw
and go outdoors and enjoy
the propeller rotating
you can also keep the propeller
under a fan
and enjoy spinning