Rainbow Plastic Spring

A classic toy that is an eye-catching rainbow spectrum super coil.

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Nancy B's Science Club MoonScope

Nancy B's Science Club MoonScope
Calling all budding astronomers! Take your star-gazing to a whole new level with this kid-friendly telescope and accompanying journal packed with facts and fun activity prompts.

It's the classic toy we all know and love with a colourful twist! The eye-catching rainbow spectrum and super coil size brings an extra something special to the already-amazing slinky!

The things a slinky can do will fascinate - it can walk down stairs, levitate and always returns to its original compact shape. Explore the world of physical forces and principles with this super cool science toy.

Age: 3+

What You Get

Rainbow Plastic Slinky, 6cm diameter. Includes one classic plastic rainbow-coloured slinky.

How Does it Work?

The spring appears to walk down stairs by transferring energy along its length via longitudinal waves. The spring follows itself over and results in periodic motion until it reaches the bottom of the stairs. The spring appears to levitate when drop vertically towards the ground.

This is because the change in tension on the spring must propagate to the base of the spring from the top. A lag time of approximate 0.3 seconds creates the impression that the spring is levitating before both ends begin to fall to the ground.


  • Springs
  • Waves
  • Period of Oscillation


WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 7
Width (cm) 7
Height (cm) 9
Age Group 3-4 Years, 5-6 Years, 7-8 Years, 9-10 Years, 11-12 Years
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