How to build a hydraulic robot arm out of cardboard

A video tutorial that will teach us step by step how to build our own hydraulic robot arm using cardboard and syringes as the basis of the project.

A project with which you can arouse the curiosity of engineering in the little ones. The materials we are going to use can be 100% recycled.

How to build a hydraulic robot arm out of cardboard

Materials to make a hydraulic robot arm.

The materials we will need are:

  • Cardboard, any box.
  • Wooden chopsticks, like skewers or skewers.
  • Glue.
  • Some ice cream sticks.
  • Worn battery.
  • Syringes (6).
  • Plastic tube.
  • The water.

Instructions for making a cardboard hydraulic robot arm.

You will find the manufacturing instructions in the video: