OobleckPit

42632 cubic inches (73x73x8?)

698613 cubic cm

2:1 cornstarch:water ratio

cornstarch density 0.54 g/cm³

water density 0.9970470 g/cm³

oobleck density = 0.692349 g/cm³

grams of oobleck 483684

1066 pounds oobleck

probably about 6 ElioThadhani s

251.5 kg cornstarch

probably a lot of green dye

and water