Muyi Nayici Eraser Core-07

What Is the MUYI Eraser Core-07?

The MUYI Eraser Core-07 is a compact, premium mechanical fidget slider toy made by MUYI (also known as Nayici). It’s designed for tactile stress relief, pocket-friendly everyday carry, and multi-mode play, combining mechanical detents with optional magnetic features.

Rather than being an actual eraser, the name “Eraser” is more thematic — referring to its small, discreet size and layers that resemble an “eraser core” sandwich.

Core Features

 Compact & Textured Design

• The Eraser Core-07 is very small — about golden-coin-sized — so it’s easy to carry in any pocket or with your EDC gear.
• Its body uses layered materials (e.g., zirconium + brass + PEEK or titanium + steel + PEEK), giving a distinct multi-layered “sandwich” look and unique tactile texture.

Three-Mode Sliding Play

This slider isn’t just a simple push-back toy — it has three distinct play “tracks” or modes:

• Middle track mode — gives a crisp mechanical “knuckle” locking click.
• Double track mode — produces a mellow echo sound, often compared to a Zippo lighter chamber resonance.
• Triple track mode — opens all paths for a dense sensory experience with layered sound and tactile feedback.

Together, these modes create a satisfying variety — almost like a condensed mechanical and acoustic “tune” as you slide.

Modular & Magnetic Expansion

• The Eraser Core-07 supports magnetic modules — so you can swap in components that add magnetic motion and additional haptic feel.
• Inside, it uses Buckyballs and magnets to introduce high-frequency impact vibrations that feel a bit like “pearls falling on jade” when slipping along the track.

Note: Some variants (like the PEEK magnetic module only) are sold separately or as add-ons.

Tritium / Luminous Host Slots

The grille on the slider can hold two 3 × 22.5 mm luminous tubes or tritium vials (often used for low-light glow), which can make the interior light up in a cool way — no glue needed.

How It Plays

Playing the Eraser Core-07 is all about sliding and feeling feedback variations:

• Quick slides feel smooth and satisfyingly clicky on the mechanical track.
• Magnetic feedback (if you install that module) adds a slightly vibrating sensation under your finger.
• Three-track layering creates a mix of tones and feels, making it more engaging than a basic slider.

Most owners describe the combined experience as rhythmic, textured, and addictive — far more complex than entry-level fidget sliders.

Materials & Specs

Here is a video of how it works: