how to make a miniature heavy equipment lifting heavy goods

how to make a miniature heavy equipment lifting machine using a remote control that can be controlled by yourself, check the video so you guys know how to make it, thank you
materials #
1. cardboard
2. glue gun
3. dc dynamo 2 pcs
4. 4pcs syringes
5. 5 volt adapter
6. micro switch
3 feet 4 pcs
7. ruler
8. cutter
9. skewers
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