Alnico Horseshoe Magnet, 75 x 12 x 15mm Subcategory_Energy Transfer Length-adjustable wooden pendulum simple-machine model

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

Transparent 16-inch Perspex spouting cylinder with a 1

The waves generated such are demonstrated using linear rope/thread

Twelve-slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms

Alnico Horseshoe Magnet, 75 x 12 x 15mm Subcategory_Energy Transfer Length-adjustable wooden pendulum simple-machine modelMid size 75 x 12 x 15mm Alnico horseshoe with poles clearly indicated and a keeper to bridge the gap during storage, retaining field strength across years of classroom handling.