**tangled*Yoqanr Metal Wave Form Spring Toy, Classic Physics Toy - 4" Unstretched Length x 3.15" Diameter, Magic Coil Metal Slinky Stress Relief Classic Mini Kids Toy, Extra Long(Silver)

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• CLASSIC SCIENCE TOY: The Wavy Coil Spring is a science version of a classic toy that can be played with at home, while traveling, in the car and elsewhere. One will find it challenging to simply transfer it from one hand to the other.
• CLASSROOM TOOL: This spring can be used as a scientific instrument for measuring wave functions and demonstrating various physics concepts. The wave characteristics of this spring are interesting for students of all ages.
• FUN AND EDUCATIONAL: You can send it down the stairs while watching its trajectory and experiencing the timeless fun of our metal coil spring toys.
• STRONG STRETCHABILITY: When fully stretched its length can reach 9.8 feet. Unstretched, this spring measures 4" in height and 3.15" in width.
• CLASSIC GIFT: A classic toy for boys and girls, it creates fun moments for guests of all ages as party favors for birthdays and themed events.