You need the arm, the string, and the objects for your mobile. The objects are the 3D shapes you made and one you found around the house.

  • Hang the two 3D shapes you made at either end of the arm.​
  • Balance the arm on your finger. Tie a string to this place on the arm. The string should hang above and below the arm.​
  • Hang an object from the middle string.​
  • Attach your mobile to something high. ​

Give the mobile to the user

  • Bring the mobile to the person or group you made it for.​
  • Hang the mobile for them. Let them watch it moving. ​
  • Ask if it fits with the ideas they gave you in Step 1.​
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