Suspension Cords for Physics Demonstrations Subcategory_Entomology Supplies the foundation for student-built series-parallel

the foundation for student-built series-parallel circuits and electromagnetic-induction demonstrations

and horseshoe magnet that swap by hand

Pack of 12 metal lattice support clamps fitting rods up to 12

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

Suspension Cords for Physics Demonstrations Subcategory_Entomology Supplies the foundation for student-built series-parallelCotton twin cord at approximately 30 meters long, sized for stringing through small pulley systems or hanging pendulum bobs across multiple demonstration setups.