Optical Device for Color Demonstration. Color Disk
Product Code : SCL-PL-11849
Optical Device for Color Demonstration. Color Disk (SKU SCL-PL-11849) combines a hand-turned colour disc with a six-LED colour mixer so a teacher can show how white light relates to the colours of the spectrum. It suits light and colour lessons in middle and secondary school science and introductory physics. Science Lab Supplies builds the device at its Saha, Ambala works (Plot 448, HSIIDC Industrial Area, India) and manufactures it for direct supply to schools, colleges, tender contractors and distributors.
Specifications
The colour disc is 200 mm in diameter and carries two sets of spectral colours. It turns on a rotor with a handle whose axis matches the disc axis, above a 120 x 120 mm plastic base with rubber pins; overall height is 32 cm. A control box drives six LED bulbs in a circular frame.
| Parameter | Value |
|---|---|
| SKU | SCL-PL-11849 |
| Colour disc | 200 mm diameter, two sets of spectral colours |
| Drive | Rotor with rotating handle, handle axis on the disc axis |
| Base | Plastic, 120 x 120 mm, with rubber pins |
| Total height | 32 cm |
| Colour mixer | Mixer control box, six LED bulbs, circular frame, power adapter |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the Color Disk
Spinning the disc with the handle blends its spectral sectors so the eye sees them merge towards white, the classic Newton's colour disc effect. The LED unit adds colour mixing with light sources, giving teachers two complementary views of how colour works in school science.
- Class 7–10 science: white light as a mixture of the spectral colours.
- Persistence of vision when the disc is spun quickly.
- Mixing coloured light with the six-LED unit and control box.
- Introductory physics demonstrations on dispersion and colour.
Standard Scope of Supply
Supplied with the mixer control box, power adapter, six LED bulbs, circular frame, the 200 mm colour disc, the rotor with its handle, the plastic base with rubber pins, and an instruction manual, so both the disc and LED demonstrations are covered.
Packing, MOQ and Lead Time
Request a price for a single device or for a set for every science room; the quotation covers packing, delivery time and price for that quantity. Filters, ray boxes or other physics lab equipment in India from the same range can share the quotation.
With an Importer-Exporter Code on record as a registered exporter, Science Lab Supplies can ship to buyers in Rwanda, South Africa, Qatar, Sri Lanka, Vietnam and Malaysia. The contact page and the enquiry cart both reach the sales desk, while the lab tender page explains institutional orders.
Frequently Asked Questions
How is the colour disc turned?
By hand. The disc sits on a rotor with a handle on the same axis, so a steady turn of the handle spins it fast enough for the colours to blend.
What does the LED part of the device do?
Six LED bulbs in a circular frame are driven from the mixer control box and powered by the included adapter, for demonstrations of mixing coloured light.
Is Science Lab Supplies the manufacturer or a trader?
A manufacturer: the device comes out of the Science Lab Supplies factory at Saha in Ambala, India, and the company prices it itself instead of reselling another maker's product.
How large is the device?
It stands 32 cm tall on a 120 x 120 mm base, with a 200 mm disc.
Related Light and Colour Apparatus
These four Physics Lab items continue the colour lesson, from other spinning discs to filters and ray optics that separate and recombine light. They can be quoted with this device on one enquiry.
- Newton’s Colour Disc — the traditional spinning disc for recombining colours.
- Newton's Disc — another disc for the same effect.
- Color Filter Set — filters for subtracting colours from white light.
- Raybox with Accessories — ray optics to accompany colour and dispersion lessons.
Browse the full Physics Lab range or all physics lab equipment.
Last updated: 25 September 2026
