The PC, xbox, PS, Wii...personally, if the child is in school and they show you they finished their homework then I would let them play video games especially if its the Wii since its functions is to use the body and the new accessory for xbox, your body is the remote control (literally) but if its the pc and ps which requires you not to move much on your body then I`d say at least 1-3 hours, then