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AMES, Iowa  —  Reiman Gardens at Iowa State University will be an assembly line for jack-o-lantern carving this week.

Reiman is having an event this weekend called Spirits in the Gardens. There will be some trick or treating, storytelling, and a Jack-O-Lantern Walk, with 650 lit pumpkins.

In order to have that many jack-o-lanterns, Reiman Gardens is asking its volunteer base and some members of the public to help with the carving.

“Last year we did 500 Jack-O-Lanterns and we did pretty well, so this year we thought we’d up our game and do 650 Jack-O-Lanterns,” said Nathan Brockman of Reiman Gardens. “Got people that are coming in and are cutting out stencils, drawing those on the pumpkins.”

Brockman said people would be coming in later this week to actually do the carving.

“Last year we did a lot of free-hand, this year we’re doing a lot more stencils,” said Brockman. “So they’re a lot fancier pumpkins than just your standard triangle eyes, crooked nose, and missing a tooth smile mouth.”

On Saturday and Sunday, there will be activities and storytelling, as well as Trick or Treat at Reiman from 4-7 p.m.

The Jack-O-Lantern Walk goes from 7-10 p.m. on Saturday and from 7-9 p.m. on Sunday. There is an admission charge to Reiman Gardens.