Does anyone know where to find something like this?anyone?

Hi!

I know I can find this in Alibaba. They are called line actuators. They work as the scheme below. A shaft moved by a motor that does forward and backwards movement.
The problem is that all of those (below on the right) are for industrial use, heavy duty and expensive. I need something like that cheap, low power, low torque and even in plastic if possible like for toys use.

Does anyone have any idea where should I go?? How would I call it???

Thank you, thank you so much for any help with this!!!

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linear actuators
there are not a lot of them that are inexpensive, but there are some

Definitely have a look at Actuonix, especially the micro linear actuators.

Depeinding on your use and your mechanical abilities, it’s also not THAT hard to build one. A motor, a screw, and a bolt that fits the screw are the essentials.

thank you so much for helping!!!

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thank you so much for helping!!!

Guys, could you point me on instructions where could i go to get tutorials on how to build something using actuators??