Science First Economy Spectroscope Kit contains two spectroscopes that are used to vividly illustrate the fact that white light is composed of many different colors. Light entering the spectroscope is split into its component colors by passing through a diffraction grating. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: 18 years Maximum Grade Level: Grade 12 UPC: 885634221188 Allergens: Contains No Allergens Certifications: Not Applicable Grade Level: Middle-High School Specialty Shops: Clearance SUOM Description: Pack of 2 Brand Name: Science Source Description: Spectroscope Material: Metal, Plastic Material Type: Plastic