Superior 12V DC Electromagnet Item Type_Labware One-inch brass ball that threads

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

3 glass with excellent strength against breakage

transparent housing revealing the hydropower conversion inside the casing

Aluminum inclined plane with integrated vertical

Electromagnetic pickup that converts sonometer-string vibration directly into an electrical signal

Superior 12V DC Electromagnet Item Type_Labware One-inch brass ball that threadsTwelve volt DC drive across two 600 turn coils delivers higher lifting force than 6V models, supporting visible load demonstrations of current, turns, and magnetic strength relationships.