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the box sprinkler is a very simple and fascinating toy. all you need is a straw sprinkler and
a plastic bottle fan. this is the sprinkler made from a bicycle spoke and a straw. if
place it and spin in a jug of water, the water sprinkles out. then you make a fan from a
bottle. you fix the bicycle spoke nut in the lid. twist the blades to make the fans. now
this is the sprinkler. you make a hole in the CD box lid and push the cycle spoke through
this. now screw on the cycle spoke nut to the cycle spoke. now this is the assembly.
sprinkler goes inside the CD box which is half filled with water and now screw the CD
lid and place this whole assembly under the ceiling fan. the tip of the bicycle spoke
is pointed and it spins. if you place it under the ceiling fan the fan rotates and the sprinkler
spins and sprinkles water inside the CD box. this is a closed system , you don't have to
fill water again and again. it is a very very nice box sprinkler.