Do i need a visa if i want to stay just one day no sleeping) in Hong kong then move to shenzen

Hello.I am a lebanese citizen i want to travel with my 2 children to shenzhen for 10 days during eastern vacation through HK so do we need visa in this case? And if we want to spend one day in the disneyland in Hk during our vacation without sleeping in Hk do we need visa ? what are the forms and documents required ? N.B. We live in Lebanon