We've got you covered
US Patent 2415012 for slinky.
Printed on Archival matte art paper.
A purpose of the invention is to provide a helical spring toy which will transfer its turns from one end to the other in an entertaining manner when it is bent into general semi-circular form and the ends are moved up and down.
A further purpose is to provide a helical spring toy which will walk on an amusement platform such as an inclined plane or set of steps from a starting point to successive lower landing points without application of external force beyond the starting force and the action of gravity.
Level frames are made from Maple or Walnut sourced from FSC-certified, sustainably-harvested forests. Learn more about our frames here. Level prints with color calibrated, high quality Canon and Epson printers. All printers use pigmented inks, which are recommended for longevity of fine art.