Newton Color Disc on Stand (Superior Quality) Torso Model For demonstrating the movement of

For demonstrating the movement of progressive transverse waves

base ten blocks are imperative for reinforcing early math concepts

the flats represent the number 100

135mm x 110mm x 145mm

Human Electric Respiratory System Model/Biological Teaching anatomy model

Newton Color Disc on Stand (Superior Quality) Torso Model For demonstrating the movement ofDisc diameter 23cm, Stand with manual handle which can rotate the disc in quick speed, to show that different color mixing into white color. Premium Quality: Newton Color Disc 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