ScienceWiz - 50 x 15mm Sterile Petri Dish (Set of 20)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>AWARD WINNING ScienceWiz curriculum is designed to teach kids science in an intuitive and natural progression</li><li>Explore the basics of biology with this set of sterile petri dishes from the award winning science experiment creator， Science Wiz</li><li>Package includes twenty 60 x 15 mm sterile petri dishes</li><li>These petri dishes provide the perfect container for bacterial growth and other fun science projects</li><li>Intended to be parts for use with science projects， science fairs， etc. and are provided with minimal to no operating instructions</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41%2B11vEHjSL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31jXS5tBmOL.jpg' noproxy></br>