We took the boys to the National Children's Castle for Sam's 5th birthday. It is an entertainment complex in Omotesando with a play area, arts room, music room - all with drop-in activities. The art room has a 20 foot wall that kids can paint on! There was an art activity set up for girls day that I really wanted to do, but - no girls in our party except for me, and I was too shy to stand in line (with no kids) to get the kit to make the origami dolls.
There are computers with games (some in English, thank goodness), computers to explore music, and foosball and pool for older kids. There's a gym, a pool, and an outdoor roof garden with tricycles to ride on. It is definitely geared toward younger children - Chris was quickly tired of the set-up, but a very good day out for the younger boys!
On the way to the Children's Castle, we spotted an amazing bakery with the most beautiful fruit tarts I have ever seen. There were gorgeous confections of mango, green melon, all sorts of berries. There was a tart with soba noodles and strawberries sprinkled with white sugar - and one with whole pears, peeled, sliced and fanned with the stems still attached. Another with mochi rice cakes in pink and white studded around the edge. Well, Nick's birthday was in 4 days, I was absolutely cupcaked out after Sam's birthday, so we stopped and ordered a mixed berry bavarian creme 15 cm tart for Nick's birthday. If you send me an email, I will tell you the price! I am too embarrassed to post it publicly. But I will post a photo of the most beautiful, tasty tart - Mixed berry with bavarian creme and chocolate straws... yummmm.