Planning to bring our 3 year old girl to Tokyo. Will 7 days in Tokyo be too much? Any places in Tokyo on top of Disneyland suitable for her? Also will middle or late may weather cooling for us to go? Want to avoid rainy season.

May is definitely a good time to go as it is cooling and not rainy yet. But prepare a jacket just in case weather gets cold due to rain. I love Tokyo a lot so I don't think 7 days is too much. There is so much to see. Just looking at the confectionery at the basement of the department store I can spend a whole afternoon . You can go to Odaiba which is a man made island. There is a ferries wheel, man made hot spring , nice ambience of shopping mall over there. There is also Sanrio Puroland. Japan has many interesting places for kids and heir restaurants are very kids friendly. You will have loads to do there. You can also bring her to take the last electric tram in Tokyo which many people are unaware of. It is called the Toden Arakawa line below JR Otsuka station on Yamanote line. Asakusa Temple has a lot of interesting things to see as well and you can head over to Tokyo Skytree after that . Have fun!!