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Height-altering crystals can be found deep within the Gravity Falls Forest and, as their name implies, they can change an object's or living being's (animals and humans) size when light shines through them.

History[]

At some point before the events of the series, Ford Pines heard legends of miniature buffalo and giant squirrels from the locals, and he soon believed that there was something with height-altering properties in the forest. He soon came across the crystals and studied them, recording their powers, appearance, and location in Journal 3.

Season 1[]

In "Little Dipper," after Mabel teases Dipper for being a millimeter shorter than her, Dipper looks for a way to increase his height. Upon reading about the crystals in Journal 3, he searches for them in the forest, and after tumbling down a hill, he finds them, witnessing their abilities for himself. He removes a crystal and takes it home, where he assembles his crystal flashlight and uses it to change the size of a chess pawn and later himself. When Mabel discovers what her brother is doing, she tries to steal it from him, and they fight over the flashlight. When Mabel accidentally reveals its function to Gideon Gleeful, he uses it to shrink the twins and accidentally Soos. Later, he attempts to shrink Grunkle Stan, but to no avail (thanks to Dipper and Mabel's interference). Dipper and Mabel grow themselves back to their full heights and smash the crystal, but after realizing they forgot to regrow Soos, they glue it back together.

In "Gideon Rises," the height-altering crystals page from Journal 3 makes an appearance while Dipper and Mabel are thinking of a way to defeat Gideon; it is later seen again during the end credits.

Season 2[]

In "Weirdmageddon 3: Take Back The Falls," Dipper recreates the crystal flashlight to use as a weapon in the final fight against Bill Cipher. He later uses it to increase the size of the cage Bill puts him and Mabel in, making it large enough for them to slip through the bars. Moments later, Mabel uses it to enlarge her hand, allowing her to punch a hole in the Fearamid.

Use[]

S1e11 Flashlight

Dipper testing the crystal’s power.

Height-altering crystals can change an object or living being’s size depending on which light they reflect. The blue light enlarges objects, while the pink light shrinks them. The size alteration the different lights causes can also continue, but it depends on how long the object or living being are in physical contact with them.

Errors[]

Sightings[]

Season 1

Season 2

Games

Gallery

Click here to view the image gallery for Height-altering crystals.
Click here to view this page's gallery.

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Miscellaneous Blendin's letter | Explosion muffin | Granny Sweetkin's Yarnball | Huggy Wuvvy Tummy Bundle | Human-sized hamster balls | Jack-o'-melons | Mabel's sweaters | May May and the Hogg A.M. | Memory tube | Owl Trowel | Dipper's Swiss Army knife
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