2. If you just walk instead of walking, choose the fishboard. Although the operability is slightly worse than the double seesaw, the technical requirements are not high. Good passability, cushioning, comfort, portability and rich colors. If you want to improve maneuverability, a fish board of 25 inches or more can meet your requirements.
You can buy a small fish dish just for street painting. Brand, you can buy boiling point, you don't need to buy a separate board or something to assemble it yourself, just go to a reputable Taobao shop and let them assemble it and send it to you. The price is about one or two hundred. There is no need to buy too good one.