Slinky style rainbow spring.
12 mini springs in assorted colours Measure approximately 3.5cm tall when not stretched. Stretch up to 1 meter 3cm diameter.A Colorful and Fun Party Favor, Great For Loot Bags
Now here's a gadget with a real pedigree and a real story to tell. You might recall its use in exciting demonstrations about energy transfer when you were at school. But the truth is, it's much, much more deeply interesting than all that. Invented in 1943 by naval engineer Richard James and first marketed in Philadelphia in 1945 - selling-out all 400 of its first run in just 90 minutes - the slinky was destined for greatness that has since taken it into space on the Shuttle, to war in Vietnam, and, yes, into thousands of physics labs in schools across the world.
Kids will love watching these Plastic Rainbow Spring Toy Party Favors slink and slide around at your celebration! Featuring bright and vibrant rainbow colors, this spring toy is sure to keep kids' attention at your kid's birthday party, or even just around the house on the weekend.Just pass out these springs for kids to play with to keep them entertained for hours.