Today in Genius Hour, we tried making Play Doh. We used corn starch, and toothpaste. We first put the toothpaste in, and then we put a little corn starch. Later, we found out that it wasn't corn starch, it was flour! So, we borrowed someone's corn starch. Our hands got really messy by mixing it! After we mixed it for 5/10 minutes, a few pieces became clay! We threw away the rest because it was mixed with flour, and wouldn't work. Here is a picture and a video: