> Also, plastics tend to get soft rapidly at temperatures. I don't think plastic bricks exposed to sun (Kenya?) would fare for long. Yeah, it can get hot in pa

> Also, plastics tend to get soft rapidly at temperatures. I don't think plastic bricks exposed to sun (Kenya?) would fare for long. Yeah, it can get hot in parts of Kenya. But this is in Nairobi, which is somewhat elevated, and doesn't get too hot at all.