DIY...Miniature grinding using an old toy dynamo and pvc pipe 

the video above is to make a miniature battery grinder using an old toy dynamo and PVC pipe....
which materials are used are:
-pvc pipe 1/2" long 5 cm and 11 cm
-small switch
- used toy dynamo
-spacers
-18650 battery
- charging module
- enough cable
I hope this video can be useful and good luck....
#grindamini
#miniaturegerinda
#grindingbatteries
#grinding
grinder, mini grinder, miniature grinder, battery grinder, tamiya dynamo, diy, cordless grinder, mini drill, dc dynamo, miniature