Petrol Push Mower Briggs And Stratton Lawn Mower

Qualcast push mower with briggs and stratton motor. Mower has been in the shed for 2 years was working when it was put away. Tried to start it up today and it ran for about 10 seconds and died left it 5 minutes and it done the same thing.  Height adjustable Had no tools to do basic checks but would think a new plug and carb clean would be all thats needed. So its spares or repairs. No grass bag and there is a small hole in the deck. Also the plastic engine cover is loose as it has no screws in it   See my other items for another mower