Sphero

RVR+

Available to order

An expandable tracked coding robot for sensor experiments and programmable driving.

Expandable tracked coding robot

Buy from Sphero

Continue with the maker for current pricing, availability, suitability and delivery.

Manufacturer information checked 10 October 2026. This is a source-based guide, not a hands-on review.

The overview

What it’s designed for.

RVR+ is Sphero's programmable mobile platform with built-in sensors and expansion connections. Learners can start with driving and coding before integrating additional hardware.

Best suited to: Students and makers extending their first mobile-robot projects.

Features listed by the maker

Tracked mobile base
Built-in sensor suite
Hardware expansion connections

See the category

Hiwonder

PuppyPi

Available to order

A small Raspberry Pi robot dog for learning movement and computer vision.

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Details

Full product details

PuppyPi is an eight-joint educational quadruped with Raspberry Pi control, a camera and Python programming. It is a platform for experimenting with walking and vision projects.

Best for: Students and makers exploring quadruped movement with Raspberry Pi.

Quadruped robot dog

Eight servo-driven joints
Python programming
ROS learning resources

Verified selection: PuppyPi Standard Kit / With Raspberry Pi 4B (4GB). This is an educational or development robot; setup and programming may be required. Check the selected kit's components before ordering. The product-family photo can show optional equipment; follow the linked kit contents.

Confirm delivery to your country, import charges and the current dispatch estimate with Hiwonder before ordering.

The selected PuppyPi kit can be ordered from Hiwonder's store. Check kit contents, current availability and delivery for your country before paying.

Maker’s product details

Image: Hiwonder

Petoi

Bittle X V2

Available to order

A palm-sized robot dog you can build and program, with voice commands.

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Details

Full product details

A palm-sized robot dog you can build and program, with walking movements and voice commands to bring your code to life.

Best for: Curious makers aged 10+ who enjoy building as much as playing.

Block coding, Python and C++
Voice-controlled movements
Construction and assembled options

The selected construction kit requires assembly. Optional arm, camera and sensors are separate products.

Global store with international shipping. Check delivery to Australia, shipping fees and import charges.

Choose your Bittle X configuration through Petoi. Confirm assembly requirements, included parts and international delivery terms.

Maker’s product details

Image: Petoi

Hiwonder

MechDog

Available to order

A palm-sized programmable robot dog with eight lively servo-driven joints.

Buy from Hiwonder

Details

Full product details

MechDog combines an ESP32 controller and eight servos in a compact quadruped. Learners can program its movements in Scratch, Python or Arduino.

Best for: Beginners who want a physical introduction to robot-dog programming.

Quadruped robot dog

ESP32 controller
Eight high-speed servos
Scratch, Python and Arduino support

Verified selection: Standard Kit. This is an educational or development robot; setup and programming may be required. Check the selected kit's components before ordering. The product-family photo can show optional equipment; follow the linked kit contents.

Confirm delivery to your country, import charges and the current dispatch estimate with Hiwonder before ordering.

The selected MechDog kit can be ordered from Hiwonder's store. Check kit contents, current availability and delivery for your country before paying.

Maker’s product details

Image: Hiwonder

Read our guide to choosing a robot

RVR+

What it’s designed for.

Features listed by the maker

Also in this category.

PuppyPi

Bittle X V2

MechDog