Quantity   Component name
1 × A Raspberry Pi Zero W This costs about £9 (October 2018) from Ebay or elsewhere
1 × A Raspberry Pi Camera module This costs about £11 (October 2018) from Ebay or elsewhere
1 × A Schneider junction box 88mm x 88mm This costs about £2 (October 2018) from Screwfix (https://www.screwfix.com/p/schneider-electric-7-entry-junction-box-with-knockouts-grey-88-x-88-x-53mm/30356) or elsewhere
1 × A small Tripod This costs about £1 from Poundland or Ebay
1 × A USB charger cable This costs about £1 from Poundland or Ebay
1 × A phone charger This costs about £1 from Poundland or Ebay (you want to spend more and have less chances of this catching fire)
1 × A micro-SD card with 2 GB or more This costs about £9 (October 2018) from Ebay or elsewhere