What makes the NIUNIU STAGGERED Rolypoly 40 R3 different from other 40% keyboards?

The NIUNIU STAGGERED Rolypoly 40 R3 stands out thanks to its staggered layout, which closely mimics the familiar typing experience of larger keyboards while maintaining a compact footprint. It also offers three connection modes—wired, Bluetooth, and 2.4GHz wireless—giving you flexibility no matter your setup.

Does the Rolypoly 40 R3 support hot-swappable switches?

Yes, the PCB included with the Rolypoly 40 R3 is hot-swappable, allowing you to easily change out your mechanical switches without soldering. This feature is perfect for users who like to experiment with different switch types.

Can I use the keyboard wirelessly?

Absolutely! The keyboard is available in Dual Mode (Bluetooth and wired) and Tri Mode (Bluetooth, wired, and 2.4GHz wireless) versions, both of which come with rechargeable lithium batteries and, in the case of the Tri Mode, a USB dongle for the 2.4GHz connection.

What layout options are supported by this keyboard?

The Rolypoly 40 R3 supports both WK (Winkey) and WKL (Winkeyless) staggered layouts, so you can choose the configuration that best matches your typing preferences.

Is the NIUNIU STAGGERED Rolypoly 40 R3 compatible with VIAL software?

Yes, this keyboard supports VIAL, a powerful open-source remapping and macro software. With VIAL, you can customize your keymap, layers, and macros with ease.

What materials are used in the construction of this keyboard?

The Rolypoly 40 R3 features a robust aluminum housing for durability and a premium feel. It also comes with an FR4 plate, which contributes to a balanced typing experience.

Does the keyboard include stabilizers?

Yes, plate-mounted stabilizers are included, which help ensure smooth and stable keypresses, especially on larger keys.

How comfortable is the typing angle on the Rolypoly 40 R3?

The keyboard is designed with a 9° typing angle and a front height of 18.05mm, providing a comfortable and ergonomic typing experience even during extended sessions.

What power options are available for wireless models?

If you choose the Dual Mode or Tri Mode version, the keyboard comes with rechargeable lithium batteries, so you can use it wirelessly without the hassle of replacing disposable batteries.

Are there different color options for the keyboard kit?

Yes, the kit is available in several finishes, including anodized black, gray, blue, green, silver, and a unique PC ceramic white sprinkle option, so you can pick the style that best matches your setup.

NIUNIU Roly poly 40 R3 Starting at $108.99

Name: NIUNIU Roly poly 40 R3
Brand: NIUNIU
SKU: pre-order-staggered-roly-poly-40-r3-keyboard-kit-by-niuniu

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NIUNIU Roly poly 40 R3
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[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu
	Shipping to US			$109 Out of stock	Visit Shop

Vendor

Location

Coupon Code

In Stock

Price (USD)

Link*

NIUNIU Roly poly 40 R3

Global

Check vendor

Visit shop

[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu

Shipping to US

$109

Out of stock

Visit Shop

Compare NIUNIU Roly poly 40 R3 vs KBDFans Agar Micro vs KBDFans Agar Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!

Model	NIUNIU Roly poly 40 R3	KBDFans Agar Micro	KBDFans Agar
	67	70	86
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)	5.0 stars (8 reviews)
Purchase Options
Main differences	Has Linear switch options Offers Normal ergonomics Uses a Top Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Made with a Aluminum case	Released in 2026 Offers Alice ergonomics Supports Wired, Wired only connectivity	Available in a 60% layout Offers Split Backspace ergonomics Connects via USB-C Includes screw-in stabilizers Has built-in sound dampening Supports Bluetooth, Wired, Wireless, Wired only, connectivity Runs at a 1000 Hz polling rate Weighs about 1300 g Sized at 33 x 297 x 123 mm Offers Yes, Rgb RGB lighting
Score	Scores Performance: 47.4 Build Quality: 74.5 Productivity: 51.6 Customizability: 70.9 Portability: 80.4	Scores Performance: 46 Build Quality: 78.4 Productivity: 56.4 Customizability: 66.9 Portability: 62.5	Scores Performance: 63.6 Build Quality: 88.3 Productivity: 81.6 Customizability: 88.7 Portability: 84.2
Name	Name NIUNIU Roly poly 40 R3	Name KBDFans Agar Micro	Name KBDFans Agar
Release year	Release year 2025	Release year 2026	Release year 2025
Switch Options	Switch Options Linear	Switch Options -	Switch Options -
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 40%	Layout Size 40%	Layout Size 60%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Alice	Layout Ergonomics Split Backspace
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only	Connection Bluetooth, Wired, Wireless, Wired only,
Polling Rate	Polling Rate -	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity -	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Top Mount	Mount Style Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight	Backlight Rgb
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Polycarbonate, Aluminum	Case Material Polycarbonate, Aluminum
Keycaps Material	Keycaps Material -	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions -	Dimensions 33 x 297 x 123 mm
Weight	Weight -	Weight -	Weight 1300g

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Product Description

The NIUNIU STAGGERED Rolypoly 40 R3 is a compact 40% keyboard kit designed for hobbyists who want a customizable, small form factor board with multiple connectivity options. It suits users comfortable with a staggered layout and those who value flexibility in wireless and wired use. This kit requires assembly and switch installation, appealing to builders who prefer hands-on customization.

Key Features

Hotswappable PCB allows easy switch changes without soldering, enabling quick customization or switch testing.
Multiple connection modes available: wired only, dual mode (Bluetooth and wired), and tri mode (Bluetooth, wired, and 2.4GHz wireless), offering versatile use cases from desktop to portable setups.
VIAL firmware support enables advanced key remapping and customization through an open-source interface.

Build Quality

Aluminum housing provides a sturdy and durable frame with a 9° typing angle for ergonomic comfort.
Includes an FR4 plate and plate-mounted stabilizers, which contribute to stable keypresses and reduce wobble.
Rubber feet help keep the keyboard steady on the desk during use.
Battery compartment cover and included lithium batteries (for wireless models) integrate neatly into the design.

Connectivity

Wired-only model suits users who prioritize low latency and stable connections.
Dual and tri mode models include batteries and wireless options, allowing flexible switching between wired and wireless use.
Tri mode adds a 2.4GHz dongle for potentially lower latency wireless compared to Bluetooth.

Compatibility and Layout

Supports staggered and WKL (winkeyless) staggered layouts, catering to users who prefer traditional key arrangements without ortholinear or split layouts.
Firmware support through VIAL allows compatibility with various operating systems and easy key remapping.

Trade-offs

As a kit, it requires assembly and sourcing switches and keycaps separately, which may not suit users seeking a ready-to-use keyboard.
Limited to 40% layout, which reduces key availability and may require frequent layer use, less ideal for users needing full-size functionality.
Unknown battery life and wireless latency specifics, which could affect wireless user experience.

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