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Keyestudio

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A hands-on learning kit that lets you build a wooden crocodile equipped with an ultrasonic sensor and servo, controlled by a BBC micro:bit or ESP32 Easy Codi...

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A hands-on learning kit that lets you build a wooden crocodile equipped with an ultrasonic sensor and servo, controlled by a BBC micro:bit or ESP32 Easy Coding Board. The basswood construction is environmentally friendly, and graphical block-based programming (MakeCode and KidsBlock) makes it accessible for beginners.

The kit combines hardware assembly, sensor interaction, and coding to develop logical thinking and STEM skills. Assembly is straightforward with the included components and step-by-step tutorials.

Key Features

  • Basswood Construction – Eco-friendly laser-cut wooden parts
  • Ultrasonic Sensor – Distance detection for interactive behaviour
  • Servo Motor – Motorised jaw movement
  • Block-Based Programming – MakeCode and KidsBlock support
  • Dual Board Compatible – Works with micro:bit or ESP32 Easy Coding Board

Ideal For

  • STEM education and coding workshops
  • Hands-on robotics and maker projects
  • Learning about sensors and actuators
Note: BBC micro:bit or ESP32 Easy Coding Board is required and sold separately.

Resources

Jargon buster

Plain-language definitions for the technical terms used above.

ESP32
ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
servo
A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
servo motor
A motor module that moves to a commanded angle rather than simply spinning freely. It matters for robotics and mechanisms because it is useful for steering, arms, gates and other parts that need controlled position.
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