JR Pass for 12 days trip Osaka-Kyoto-Osaka-Hakone-Tokyo

Hi,

I will be arriving to Kansai Airport (Osaka) on 2 Mar 2016, leaving from Narita Airport (Tokyo) on 13 Mar 2016.
My family have 2 adults + a 5-yrs old kid.

02 March, 2016 Osaka
03 March, 2016 Osaka
04 March, 2016 Osaka / Kyoto
05 March, 2016 Kyoto / Nara / Osaka
06 March, 2016 Osaka / Hakone
07 March, 2016 Hakone
08 March, 2016 Hakone / Tokyo (Shinjuku)
09 March, 2016 Tokyo (Shinjuku - Odaiba)
10 March, 2016 Tokyo (Odaiba - Disneyland)
11 March, 2016 Tokyo (Disneyland) / Tokyo (Shinjuku)
12 March, 2016 Tokyo

Please kindly advise following
1) From 02 - 05 Mar 2016
Do I need to get Kansai Thru Pass? 2) I need to take Shinkansen from Osaka to Odwara , Odawara to Tokyo (Shinjuku)
Do i need to get any JR Pass? Or do i get Hakone Free Pass? 3) For my traveling around Tokyo area , do i need to get Tokyo Wide Pass?

Looking forward to get your advise.

Thank you.
YS Lee