Magnetic Field Demo Board (with small compasses) Used to study Forward &

Used to study Forward & Reverse Characteristics of PN Junction Diode

1st valve slide saddle

Help teach children in a fun and inventive way

Included: This life size model depicts the female human pelvis in median section with a fetus in the 32nd week of pregnancy

Magnetic Field Demo Board (with small compasses) Used to study Forward &Magnetic Field Demo Board (with small compasses) Consists of 24 small compasses. Used with bar magnet to show magnet field. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact