Kondo Kagaku KHR-3HV price & specs

~$860 (¥136,400, Japan)

AvailableScriptedJapanese ROBO-ONE classicMade in JapanKit

Weeks+Shipping: Import (1–3 weeks).

Overview

The long-running Japanese hobby humanoid kit and a staple of ROBO-ONE fighting and soccer contests, now in Ver.3.1 with updated KRS servos. It is solidly built and easily upgraded to 22 axes, but motion is scripted in a Windows editor. English documentation is thin.

Type: Biped robot · Walks, but doesn't really balance
Maker: Kondo Kagaku (Japan)
Released: 2009
Price: ~$860 (¥136,400, Japan)
Status: Available
Best for: Ages 16+
Programming: Limited SDK

Price and shipping

Kondo's open-price Ver.3.1 kit with Li-Fe battery sells for ~$860 (¥136,400) including tax at Japanese retailers, plus shipping and proxy fees when imported. A 22-servo version and a Special Pack cost more

Shipping: Import (1–3 weeks). Sold in Japan. Import via Japanese retailers or proxy services.

Specifications

Category	Bipeds · Walks, but doesn't really balance
Released	2009
Country	Japan
Availability	Available
Programmability	Limited SDK
Built-in autonomy	None / scripted · Moves only when controlled, or plays preset motions
LLM support	Possible via SDK · RCB-4 serial command protocol allows PC control, no built-in LLM.
MuJoCo simulation	None found · Nothing found.
NVIDIA Isaac simulation	None found · Nothing found.
Gazebo simulation	None found · Nothing found.
Best for	Ages 16+ (estimated)
Vision sensors	No vision sensors
Actuators	Smart servos (Dynamixel, Feetech…)
Audio	No audio
Compute type	Arduino / ESP32 / microcontroller
Balance type	Scripted
Height	40 cm (401 mm assembled)
Weight	1.5 kg (Kondo spec, 17-servo kit)
Compute	RCB-4HV controller
Speed	Not published
DOF	17 (expandable to 22+)
Sensors	Optional 2× KRG-5 gyros and RAS-3 accelerometer
Balance	Keyframed motions with optional gyro correction of the gait. Gets up after falls using the accelerometer.
SDK	Heart to Heart 4 motion editor (Windows), RCB-4 serial command protocol

Common questions

How much does KHR-3HV cost?

KHR-3HV is listed at ~$860 (¥136,400, Japan). Kondo's open-price Ver.3.1 kit with Li-Fe battery sells for ~$860 (¥136,400) including tax at Japanese retailers, plus shipping and proxy fees when imported. A 22-servo version and a Special Pack cost more.