Newton Color Disc on Stand (Superior Quality) Two plastic mallets with rubber

Two plastic mallets with rubber heads are included

the adjustable slit and stand facilitate ease of use

The perfect beginner instrument

Premium Quality: Test tubes are made of high-quality

Periodic Replacement: Designed for longevity

Newton Color Disc on Stand (Superior Quality) Two plastic mallets with rubberDisc 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