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Atropine and scopolamine, powerful hallucinogens, can be found in plants in the nightshade family, among them mandrake, henbane and thorn apple.

The studio has re-created the herbology classroom from the 2001 movie “Harry Potter and the Sorcerer’s Stone,” complete with facsimiles of the magical mandrake plants that scream when they are uprooted.

Sumerian clay tablets from ancient Mesopotamia contained instructions for the herbal preparation of more than 200 different plants, including poppy and mandrake.

At Hogwarts, the roots of the mandrakes are squalling babies whose cries can be fatal.

The mandrakes, for instance, use dollar-store baby dolls as their foundation, covered with a moldable foam clay and half-buried in a faux soil.