Ages: 5 - 10

Growing Bacteria Science Kit

By Steve Spangler Science®

  • Includes easy-to-make nutrient agar
  • Learn about germs and where they can be found!
  • Our most popular kit for Science Fair projects



Concentration Focus
Critical Thinking
Problem Solving
Concentration Focus
Critical Thinking
Problem Solving

Science : Ignite Curiosity

The best way to learn science is through hands-on activity. More must-haves for young explorers.


Ages: 5 - 10 Years
Overview: Kids love gross science! Growing bacteria will satisfy their curious love of icky things while learning a lot about germs and where they can be found. This kit is great for Science Fair projects but is hugely fun for all young scientists.This is the same nutrient agar used by microbiologists to grow really funky stuff in the lab. Everything you need to prepare and store the bacteria is right in the kit: cotton swabs, petri dishes, and a microwave-safe plastic beaker. All that’s left to do is design your experiment. Don’t worry, we’ll help you out there, too.This kit allows kids to observe bacteria growing in a petri dish and offers ways to explore bacteria growth further. Kids will develop an understanding of the scientific method while learning some awesome (and disgusting) science. The hands-on method, activity guide, and some gross science are everything your kid needs to get a real kick out of science. Our little scientists were seeing results in about 24 hours with great growth after a week. Your results will be dependent on the environment.If kids want to do a science fair project about germs, this is their kit. Choose an independent variable, or the thing that will be manipulated or changed in the experiment. For example, adding hand sanitizer as the variable. Make one dish of germs (as the control), one dish of germs with a drop of hand sanitizer, and a third dish with another brand of hand sanitizer. See which hand sanitizer is more effective in the fight against germs. Make sure all three Petri dishes have germs collected from the same place at the same time. The dishes also need to be grown in the same warm, dark place for the same amount of time so that the conditions are standardized as much as possible.Some other examples of independent variables: (Choose only ONE independent variable to test)
  • Door Knobs – Which door knob has the most bacteria?
  • Mouths – Which mouth is the cleanest?
  • Dental Care – How clean does my mouth really get?

What’s Included:
  • Bacteria Growing Kit
  • 6 large, 10 cm (3.5?) diameter Petri Dishes
  • 6 cotton swabs
  • 5 g (0.17 oz) of Nutrient Agar
  • 600 mL Plastic Beaker
  • Activity Guide

  • Brand: Steve Spangler Science®
  • Ages: From: 5 - 10 Years
  • Product Id: GBACTKIT
  • Manufacturer: Steve Spangler Science