Here is a link to videos about Shichida. Many of them are in Chinese but they can give you a few ideas. If anyone has more Shichida videos, I'd love to see them! Here is the link http://0km.jp/?tag=shichida.
I have done many product reviews for child products in the past. Under labels, please see product reviews for examples. I only accept products related to children. For more information, please email email@example.com.