Materials used:
Elmer's School Glue
Sta-Flo Liquid Starch
Play Sand

Play Sand I used:
https://www.amazon.com/Sandtastik-Sparkling-White-Play-Pounds/dp/B003U6QLVS/ref=sr_1_3?keywords=play+sand&qid=1559917280&s=gateway&sr=8-3

Liquid Starch I used:
https://www.amazon.com/Sta-Flo-DIA13101-Concentrated-Liquid-Starch/dp/B07BLP12G2/ref=sr_1_1?keywords=sta+flo&qid=1559917441&refinements=p_85%3A2470955011&rnid=2470954011&rps=1&s=gateway&sr=8-1