What are some of the must have child safety precautions in house with a 3-5 yrs old around?

baby-proofing electrical sockets, and sharp edges of furnitures is crucial. Ward off rooms that you don't want them getting into. Put tools on a safe place so they wouldn't get a hold of them. At this age, children will also be extremely curious and would want to explore anything and everything. So be careful of choking hazards and sharp objects lying about the house.