The Nikon Coolpix 4100 is a digital camera made by Nikon in 2004.
Batteries
LCD screen
Opening the Case
Removing Nikon Coolpix 4100 Viewer
These are some common tools used to work on this device. You might not need every tool for every procedure.
Phillips #000 Screwdriver
Soldering Workstation
iFixit Opening Tool
Amazon Product Page