Slinky Stairs Spring

Slinky Stairs Spring also named as Rainbow Spring is an extremely soft spring. It is usually made of thin spring wire or plastic with flat rectangular section. The spring stiffness of r Slinky Stairs Spring is about 1% of the ordinary spring. When it is not stressed, all coils are in contact with each other, so it can only be stretched or extended other than compressed. Place the two ends of the spring on the palms of both hands then bend it into an arch, and then move the left and right hands up and down alternately. You can observe the rapid rolling of the coil from left to right or from right to left alternately. The changing colors looks like the beautiful rainbow in the sky, so the Rainbow Spring is named.

The most unique skill of Slinky Stairs Spring is that it can automatically go down the stairs. Place the two ends of the spring on the two steps at different heights of the stairs respectively. After letting go, the higher end of the spring will suddenly jump, bend and fall to the low step, and then the other end will jump up. Repeat this process and keep falling in the way of somersault until the bottom of the stairs.

Ideal for studying transverse and longitudinal waves. this edge wound flat metal spring is about 75 mm (3 inch) in dia zinc-Plated. The length diameter and the color can be custom-made.

FAQ

Q: How many days can I expect to get the sample? 
A: It usually takes 2 days by DHL, UPS, FedEx, etc. after we finish the samples.

Q: Will there a sample before bulk order?

A: Yes. You can ask a sample for testing first. For little quantity, we suggest place the bulk order for us, and we make a sample for your confirming before the bulk order to save your sample cost.