14 Day Jr Pass

HI, My family of 5, 3 adults and 2 children have the following itinerary and would like to know if the 14 Day JR pass is worth it thanks.
Arrive Narita 25/1
26/1 Narita to Osaka
29/1 Osaka to Kyoto to Osaka
30/1 Osaka to Kyoto to Osaka
31/1 Osaka to Tokyo
2/2 Tokyo to Hakuba
7/2 Hakuba to Tokyo
9/2 Tokyo to Narita

Thanks