Innovative Detector Challenge 900x microscope kit it offers reliable performance and

it offers reliable performance and easy setup

Headphones included

With 10x magnification and a 42mm objective lens

5 focal ratio

or find that steamy hot cup of coffee before you knock it over and spill it in your lap

Innovative Detector Challenge 900x microscope kit it offers reliable performance andFeatures Learn how metal detectors work Build a handheld metal detector with adjustable sensitivity Discover how security checkpoints function by assembling a mini version Explore the effects of parabolic motion on metal detection with an aim and shoot game Test your hand eye coordination by creating fun maze challenges Description Explore the relationship between electricity and magnetism with this metal detector challenge set from Explore Science.