This set contains 16 images wich includes 8 color images and 8 black line versions. Images saved at 300 dpi in png files.Check out these related clipart sets:Layers of the EarthForce and Motion Clip ArtSolar System Clip ArtAstronaut KidsLight - ScienceI also have quite a complete selection of clipart in the following bundle:Earth Science - Geology Mega BundleElectricity Mega Bundle☆ Click to follow me to get freebies and updates on new products!☆ Follow Color Idea Clipart on Pinterest☆ Follow Co