$339 (RVR+)Single RVR+ on sphero.com (September 2026); original RVR launched on Kickstarter in 2019 at ~$249.

AvailableVia SSH / web / bridgeTank treadsRaspberry Pi / ArduinoEducationNo camera

Possibly ≤ 1 weekShipping: Days. Sold directly by Sphero and through education resellers and Amazon.

Remote control: A Raspberry Pi riding on RVR runs the Python SDK over UART; the laptop reaches the Pi over SSH. Direct laptop control is through the Sphero EDU app over Bluetooth.

Sphero ↗Python SDK ↗

Overview

A sturdy, fast little education rover with a powered expansion port that makes it an easy base for a Pi and camera. RVR+ (2022) upgraded the motors and wheels. Popular in schools, but it has no camera or on-board compute of its own.

Specifications

Category	Wheeled rovers · Ready-made dev rovers
Released	2019
Availability	Available
Programmability	Full SDK
Best for	Ages 11+ (maker rating)
Vision sensors	No vision sensors
Actuators	DC / gear motors
Audio	No audio
Compute type	Proprietary / undisclosed, Raspberry Pi, Arduino / ESP32 / microcontroller
Remote control	Via SSH / web / bridge
Size	18.4 × 21.6 × 11.4 cm (7.24 × 8.5 × 4.5 in)
Drive	Tracked-style wheels (skid steer)
Compute	Sphero controller; add-on Raspberry Pi, micro:bit, Arduino or Sphero LittleBits
Vision	None built in (color sensor underneath)
Lidar	None
Sensors	Color sensor, light sensor, IR, IMU, encoders
Runtime	About 2 h (Sphero spec); swappable battery
Speed	Up to 2 m/s via the SDK's velocity commands (1.555 m/s max in drive-to-position mode)
SDK	Sphero EDU app (blocks/JavaScript), Python SDK for Raspberry Pi, Arduino and micro:bit SDKs