You don’t have to spend a fortune to build your own robots. There are plenty of places that sell affordable robot components. Take the SainSmart Humanoid Robotic Arm & Hand for instance: it has 5 degrees of freedom and uses 6 servos to control each finger separately.
More gadgets like this: here
This robotic hand has an aluminum alloy construction. It weighs only 163g. The arm comes unassembled.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.