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Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap Replacement Bottom Keycaps Gift for Cherry Mx Switch Mechanical Keyboard Cap OEM R4 Height (Heart)
YupYay

Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap Replacement Bottom Keycaps Gift for Cherry Mx Switch Mechanical Keyboard Cap OEM R4 Height (Heart)

Bottom line: The Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap ($8.99 on Amazon as of 2026-10-07): Fits Cherry MX, Kailh, Outemu and Gateron cross-stem switches; main trade-off: one keycap only; the set shown in photos is not included.

$8.99

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Buy on Amazon — $8.99 Compare to similar gaming peripherals

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For keyboards, mice, headsets and other PC peripherals, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Fits Cherry MX, Kailh, Outemu and Gateron cross-stem switches
  • ✓ Single R4-profile cap swaps straight onto an Esc key
  • ✓ Handmade crystal ball heart insert as a keyboard accent piece

Cons

  • ✗ One keycap only; the set shown in photos is not included
  • ✗ Glue marks at the wing joint are called out by the seller
  • ✗ Not integrally molded, so it can break if yanked off forcibly
  • ✗ R4 height makes it a poor fit for the main typing rows

Manufacturer description

1. This product is only a keycap. 2. The keycap can only be used on the cross mechanical keyboard axis. 3. The keyboard cover is spliced by hand, and the keys are R4 keys made of PBT or ABS. 4. Purely handmade, it is inevitable that there will be manual traces/small defects/various colors/uneven dyeing, if not mind just purchase. 5.The color of the base can be customized, please contact customer service when placing an order, otherwise choose to send by default.

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SpecPicks Verdict

SpecPicks scored Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. YupYay's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【ATTENTION】Perfectionists buy cautiously.Every keycap is assembled by hand, the joint between the wings and the keycap are pasted by special glue,some keycaps have glue mark,but not obvious on the surface of the keycap.These kind of keycaps are good decoration for the mechanical keyboard.It's affordable.
  • 【ONE KEYCAP ONLY】 Package Included ：Crystal Ball Keycap x1, Other keycaps are not included, just for showing the performance.
  • 【COMPATIBILITY】Just fit for the Mechanical Keyboard cross switches which are use“+”shape such as Cherry MX, Kailh, Outemu, Gateron, etc.
  • 【R4 LEVEL】RECOMMEND place the keycap in R4 level.Not suggest to place the keycap on the position of usually typing area, it will be not convenient for using the keyboard.You can choose the position in R4 level area like ESC.
  • 【Easy Install】Just pull out the keycaps you want to instead using the key puller and then be care to place our keycaps.Because of the keycap are not integrally molded.These are used the special glue to assemble the keycap and the figure, if you drop or pull out the keycaps from the keyboard forcibly,the keycap may be broken.
  • 【Too tight or loose problem】When the keycap is installed on the keyboard, it is found to be too tight or too loose, please do not install it forcibly. You can use a hair dryer against the cross socket part of the keycap and heat it for about 5 seconds to make the base slightly softer. Then plug it into the shaft of the keyboard.

Full Specifications

BrandYupYay
Colorheart
MaterialPolybutylene Terephthalate (PBT)
Unit Count1 Count
CompatibilitySwitch
Built-In MediaCrystal Ball Keycap
Compatible DevicesKeyboard
Enclosure MaterialPolybutylene Terephthalate (PBT)
Warranty Description6 months

Ready to buy?

Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap Replacement Bottom Keycaps Gift for Cherry Mx Switch Mechanical Keyboard Cap OEM R4 Height (Heart) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $8.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Crystal Ball Keycap Esc keycaps DIY Personality Custom Keycap Replacement Bottom Keycaps Gift for Cherry Mx Switch Mechanical Keyboard Cap OEM R4 Height (Heart)
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