Kids can explore characters from “PAW Patrol,” “Jake and the Neverland Pirates,” “Sesame Street” and more at a new Mommy and Me weekly class called “Character Craze” at Once Upon a Treetop, 151 Dupont St., Plainview.

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The class is geared toward ages 15 months to 36 months and meets from 9:45 to 10:30 a.m. Tuesdays beginning Jan. 31. Cost is $175 for seven weeks.

The characters will be brought to life through stories, songs, and more (there won’t be a person dressed as a character). To register, call 516-349-1140. For more information, visit