slinky toy
metal slinky spring toy
Materials: steel Size: 30 x 30, 50 x 50, 68 x 56 and 80 x 80mm Surface finish: zinc plating Used for toys Customized box designs are accepted Certification: EN71, ASTM and F963 marks RoHS Directive-compliant Packing:Quantity: polybag with color box Metel slinky toy production leader in china.
metal spuer slinky for studying
Super Slinky Spring provides students with hands-on experience studying and observing pulses and standing and traveling waves. The spring's 8" length (when compressed) provides students more time to visualize the behavior of springs, pulses, and waves. It has a 3" diameter and 16.5 turns/cm. Stand minimizes tangling during storage and retrieval. Science education products incorporate applied math and science principles into classroom projects. Teachers in pre-K, elementary,