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Slinky Spring
Slinky Spring (Product Code: SCL-300/048) is a steel helical spring used to demonstrate wave motion in school and college physics laboratories. Teachers stretch the compact 75 x 50 mm coil along a bench or floor, where it extends to about 5 metres, so a class can watch pulses travel and reflect. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, alongside its wider physics lab equipment in India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Helical (slinky) spring |
| Material | Steel |
| Size | 75 x 50 mm |
| Fully extended length | About 5 metres |
| Purpose | Demonstration of wave motion |
| Product code | SCL-300/048 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Slinky Spring Used For?
A slinky spring makes wave behaviour visible on a lab bench. With one end held still and the other moved from side to side, a transverse pulse runs along the coils; pushing the free end forward and back instead produces compressions and rarefactions, the pattern of a longitudinal, sound-like wave. Because a spring can undergo a large elastic deformation and then return to shape, the same coil can be stretched and released many times in one lesson.
Springs of this kind are used widely in mechanical systems and some structural elements, which gives teachers a real-world link for the topic. In class, work on a smooth floor or a long bench so the 5 m stretch does not snag, extend the spring gradually rather than all at once, and collapse it coil by coil after use so it does not tangle.
Supplier
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, based in Ambala, Haryana. The company supplies this slinky spring together with the mechanics and wave apparatus that schools and colleges buy for their practicals, so a single order can cover several experiments. For vendor registration, the supplying company is Jain Scientific Equipments Private Limited (GSTIN 06AAECJ8618A1ZT, LEI 3358004HRD1JIVXKYX49). More background is on the ScienceLab company profile.
Related Physics Lab Equipment
These items are used with the slinky spring in wave and oscillation lessons:
- Stop Clock — timing a pulse as it travels to the fixed end and back
- Meter Scale 100 cm — marking distances along the stretched spring
- Tuning Fork Set — moving from spring waves to sound waves
- Resonance Tube Apparatus — measuring the speed of sound after the wave introduction
- Spring Balance, Tubular — studying spring extension and elasticity
Browse the full Physics Lab range for more school physics apparatus.
Frequently Asked Questions
What is the Slinky Spring made of?
The Slinky Spring (SCL-300/048) is made of steel. A steel coil keeps its elasticity through repeated stretching, which is why it suits classroom demonstrations of wave motion where the spring is pulled out and released many times in one lesson.
How far does the Slinky Spring stretch?
The Slinky Spring extends to about 5 metres when fully stretched, from a size of 75 x 50 mm. That length gives enough room to watch a pulse travel, reflect from a held end and return, so students can observe wave behaviour clearly.
Can the Slinky Spring show transverse and longitudinal waves?
Yes, the Slinky Spring can show both. Moving one end sideways sends a transverse pulse along the coils, while pushing and pulling the end along the length of the spring creates compressions and rarefactions, the pattern of a longitudinal wave such as sound.
How should the Slinky Spring be stored?
Store the Slinky Spring collapsed and dry after easing it back together coil by coil. Avoid overstretching it or letting it tangle, because kinked coils no longer carry a clean pulse and the demonstration loses its clarity.
Who supplies the Slinky Spring?
The Slinky Spring is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company serves schools, colleges, institutions and dealers in India and international markets and can combine this spring with other physics lab items in one order.
What should a quotation request for the Slinky Spring include?
A quotation request for the Slinky Spring should state the product code SCL-300/048, the quantity, the delivery location and any other physics apparatus needed in the same order. Send these details through the ScienceLab contact page to receive a quotation.
Request a Quote
To order the Slinky Spring, send your requirement through the ScienceLab contact page or add it to the enquiry cart with any other physics lab items you need. Class sets for schools and quantities for dealers are welcome.
Last updated: 24 September 2026
