How to make a balloon with moving child

I am making a balloon with child based on this video, but it has one problem.

I want the balloon to move as the child moves, but only the string extends and the balloon remains in a fixed position.

Currently the child and balloon are in separate BPs, with the balloon as a Child actor from the coordinates of the child’s hand.

If anyone knows how to solve this problem, I would appreciate it if you could let me know.

You should connect two different actors via Blueprint first, since in Details editor you can only specify component name within current blueprint.

I’m doing it in Level Blueprint for simplicity, but it can be done anywhere.
First component is balloon itself, second one is your static/skeletal mesh, leave Bone Name as None if you’re not planning to use exact bone.

Also, most likely your balloon and cable mesh will be offset and incorrectly placed at the start so some tweaking of base/end positions will be required, however, balloon should move correctly, following your character.

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Thank you for your reply! It is working. Your explaining and image are useful to understand🙇

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