From the product description:
This customizable kit allows you to construct a moving, life-size, robotic hand. Using simple tools, you can enjoy every step of the building process.
No soldering or electronic skill is required. Once completed, your hand will be able to open and close at the touch of a button and even grasp items.
Decorate your hand with a glove and jewelry or leave it bare to watch the mechanisms inside. However you choose to use your Bionic Hand, it will be an enjoyable project and intriguing conversation piece for years to come!
Includes an illustrated assembly manual with step-by-step instructions and an AA battery. Requires, but does not include, a screwdriver, small pliers, wire cutter, and drill for assembling the model.
This and many cool robots and kits may be found at Edmund Scientifics.