The VELLEMAN MK197 RGB LED Ball Kit is a fun and eye-catching DIY lighting project that creates stunning multicolour illumination using a bright RGB LED inside a transparent acrylic sphere. Perfect for decorative lighting, festive displays, parties, garden features, and educational electronics projects, this easy-to-build kit produces continuously changing colour effects that automatically activate after dark.
At the heart of the MK197 is a high-brightness RGB LED that automatically generates a variety of attractive lighting sequences. Smooth colour fading and vibrant flashing effects create an impressive visual display without requiring any programming or external control, making it ideal for both beginners and experienced electronics enthusiasts.
An integrated light sensor automatically detects ambient light levels and switches the LED ball on when darkness falls, conserving battery power during daylight hours. This automatic operation makes the MK197 perfect for use as a decorative night light, outdoor garden ornament, pathway marker, or seasonal decoration.
The kit includes a transparent 50mm acrylic ball, allowing the colourful light effects to radiate evenly in all directions. The clear housing can also be customised with paints, decals, glitter, or decorative materials, making it suitable for themed decorations throughout the year, including Christmas, Halloween, birthdays, weddings, and special events.
Powered by a single CR2032 3V lithium coin cell battery (not included), the MK197 consumes a maximum of only 5mA, providing excellent battery efficiency for long-lasting operation.
When assembled and sealed using a suitable waterproof adhesive (not included), the acrylic sphere becomes suitable for outdoor decorative use and can even float on water, creating unique illuminated effects in ponds, fountains, pools, or decorative water features.
As a self-assembly electronics kit, the MK197 also provides an enjoyable introduction to RGB LED technology, automatic light sensing, low-power electronics, and decorative lighting circuits, making it ideal for STEM education, makerspaces, and hobby electronics.
Whether used as a festive decoration, garden ornament, floating light, night-time display, or creative DIY project, the VELLEMAN MK197 RGB LED Ball Kit delivers vibrant automatic colour-changing illumination in a compact and attractive design.
Features
Colour-changing RGB LED light ball
Automatic RGB fade and flash lighting effects
Built-in darkness sensor for automatic operation
Transparent acrylic ball included
Easy to customise for different occasions
Suitable for indoor and outdoor decorative use
Can float on water when properly waterproofed
Low power consumption
Compact self-assembly kit
Ideal for festive and decorative lighting
Specifications
Product Code: VELLEMAN MK197
Product Name: RGB LED Ball Kit
Light Source: RGB LED
Lighting Effects: Automatic RGB fade and flash sequences
Light Control: Automatic darkness sensor
Power Supply: 1 × CR2032 3V lithium battery (not included)
Maximum Power Consumption: 5mA
PCB Diameter: 38mm (1.5")
Acrylic Ball Diameter: 50mm (2")
Housing: Transparent acrylic sphere
Outdoor Use: Yes (when sealed with waterproof adhesive, not included)
Floating Capability: Yes (when waterproofed)
Typical Applications: Holiday decorations, Christmas displays, Halloween decorations, party lighting, garden ornaments, floating pond lights, decorative centrepieces, night lights, educational electronics, STEM projects, and DIY lighting displays.
What's in the box
1 x VELLEMAN MK197 RGB LED Light Ball Kit with Auto Darkness Sensor 50mm
