---
product_id: 651210176
title: "SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning"
brand: "generic"
price: "HK$545"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/651210176-sbt-instruments-light-and-optics-class-demo-kit-12-acrylic
store_origin: HK
region: Hong Kong
---

# AC powered, no batteries 5/3/1 beam light config 12 precision acrylic lenses SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning

**Brand:** generic
**Price:** HK$545
**Availability:** ✅ In Stock

## Summary

> 🔬 Illuminate your physics journey with precision and power!

## Quick Answers

- **What is this?** SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning by generic
- **How much does it cost?** HK$545 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/651210176-sbt-instruments-light-and-optics-class-demo-kit-12-acrylic)

## Best For

- generic enthusiasts

## Why This Product

- Trusted generic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug-and-Play Power:** AC adapter powered—no batteries needed—ensuring uninterrupted, eco-friendly classroom sessions.
- • **Hands-On STEM Learning:** Perfectly tailored for Class 9-12 physics experiments, bridging theory with practical clarity.
- • **Compact & Durable Design:** Lightweight 1.1 kg kit with clear acrylic components built to withstand repeated classroom use.
- • **Multi-Beam Light Control:** Seamlessly switch between 5, 3, or 1 red light beams with a single button for versatile optics demos.
- • **Comprehensive Lens Variety:** Includes 12 high-quality acrylic lenses and prisms to master reflection, refraction, and critical angle concepts.

## Overview

The SBT Instruments Light and Optics Class Demo Kit is a complete educational toolkit featuring 12 acrylic lenses, a versatile ray box with selectable 5, 3, or 1 beam configurations, and practice sheets. Designed for Class 9-12 STEM learners, it enables hands-on exploration of reflection, refraction, and total internal reflection concepts. Battery-free operation via included AC adapter ensures reliable, eco-conscious use in classrooms.

## Description

SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning

## Features

- Shree Balaji Traders Light and Optics Class Demo Kit - A wonderful kit to understand the concept of reflection, refraction
- A wonderful kit to understand the concept of critical angle and total internal reflection
- Correlation between theory and practical becomes easier
- The Kit Contains: Convex Lenses – 2, Concave Lenses – 2, Light Pipes, Prism of various type, A set of rectangular and semi-circular blocks, Support guide
- Light Ray box has a facility to project 5 ray, 3 ray, 1 ray beam of light in red Colour. Easily switch with 1 button
- The ray box does not require batteries. AC Power with adapter. Adapter included with the kit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Educational Objective(s) | STEM |
| Model Number | Light and Optics kit |
| Assembly Required | No |
| Batteries Required | No |
| Material Type(s) | Acrylic Glass, Plastic |
| Colour | Clear |
| Product Dimensions | 33 x 7 x 5 cm; 1.1 kg |
| Item model number | Light and Optics kit |
| Manufacturer recommended age | 6 - 15 years |
| Manufacturer | Shree Balaji Traders |
| Country of Origin | India |
| Item Weight | 1 kg 100 g |

## Product Details

- **Brand:** Generic
- **Theme:** Science
- **Item dimensions L x W x H:** 33 x 7 x 5 Centimeters
- **Item Weight:** 1100 Grams
- **Educational Objective:** STEM

## Images

![SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning - Image 1](https://m.media-amazon.com/images/I/617G7-rEuUL.jpg)
![SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning - Image 2](https://m.media-amazon.com/images/I/615ireD4nHL.jpg)
![SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning - Image 3](https://m.media-amazon.com/images/I/61RCSK6ejYL.jpg)
![SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning - Image 4](https://m.media-amazon.com/images/I/61eHRnmXuaL.jpg)
![SBT Instruments Light and Optics Class Demo Kit | 12 Acrylic Lenses, Ray Box with 5, 3 & 1 Light Beam configration, Practice Sheets | Perfect for Class 9-12 Physics Experiments & Learning - Image 5](https://m.media-amazon.com/images/I/61Qz+VNSw2L.jpg)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-29*