He asked for a "ninja suit" for Christmas and wears it all the time. With this in mind, I thought he might enjoy some books about Ninjas and Samurai. We were even invited to a Ninja birthday party at Gymja Warrior (it seems a lot of kids are interested in this subject lately!) which afterwards he told us he felt "like a real ninja!"
We found a samurai exhibit at the Peabody Museum of Archaeology and Ethnology at Harvard. We were able to see a helmet, body armor and a sword. Because his interest was already there, he enjoyed having the descriptions read to him. A lot of times, we speed through museums, taking in the in general idea, so it was fun to stop and really focus on a few items.
After studying the sword in the museum, my son really enjoyed watching this video of how these swords are made:
Are your kids into Ninjas? We'd love some more ideas to pursue this passion!