3m Wave Form Helix Spring for Wave Motion Demonstration Science at Home_Chemical Science and peripheral nerve branches across

and peripheral nerve branches across the full body for neurology and anatomy teaching

Compact 14 by 12 by 11 cm autoclavable polypropylene basket organizes test tubes during experiments

Trapezoidal acrylic prism with 89mm and 40mm parallel bases plus 47mm and 35mm angled faces

Thirty-atom organic chemistry model set with 24 short and long bonds

3m Wave Form Helix Spring for Wave Motion Demonstration Science at Home_Chemical Science and peripheral nerve branches acrossClosing to 3m and extending to 9m, this 20mm diameter steel helix carries longitudinal, transverse, and standing waves visibly enough to compare amplitude, frequency, and S wave vs P wave behavior.