Set of 52 Giant Magnetic Pattern Blocks Classroom measurements there will be less charged

there will be less charged ion in the air

Output Frequency: 50/60Hz

Flow Rate: 50Hz

Achromatic objective with 32 mm clear aperture and a laterally adjustable slit 6 mm long

For children less than 12 years

Set of 52 Giant Magnetic Pattern Blocks Classroom measurements there will be less chargedIncludes: 52 x Giant Magnetic Pattern Blocks Classroom Pack Tiles Counting & Sorting Used in number of applications in laboratory, home, general purpose or games. Premium Quality: Pattern Shapes are made of high quality, heavy duty and durable materials. Ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.