Looking for inexpensive demonstrations to incorporate into your classroom or home? We recognize not everyone has all the materials or funds to repeat all our demonstrations.
In order to make this easier for you, here are 25 demonstrations you can recreate for under $25 each. From learning how to skewer a balloon without popping it to learning about blood types, your students will learn about a variety of STEM areas in hands-on demonstrations using supplies that are likely already in your cabinet!
Read our demonstrations individually below, or watch our full playlist on YouTube. Be careful, though—try these at your own risk.
More demonstrations to try at home or in the classroom!
Use air pressure changes to move balloons and predict how they will move!
Get your groove on with this science demo creating a constantly changing kaleidoscope of colors!
"Burn" a dollar bill without charring any of the dollar bill itself!
Baking Soda Bubbles
Explore the meaning behind density with bubbles!
What happens when an object doesn't float or sink? It flinks! Construct a device that uses neutral buoyancy.
Use your engineering skills to create a boat to hold the most weight!
See what colors make up other colors while creating pieces of art!
Mind Trekkers' own recipe for the perfect giant bubble. This solution, plus a small pool, hula-hoop, and a landscaper's brick can put you inside a giant bubble!
Cloud in a Bottle
Why are there clouds in the sky? Learn how pressure affects how clear the skies are!
See just how unique your own fingerprints are!
Invisible Fire Extinguisher
Learn to put out a flame with the tip of a cup!
Are You My Type?
Have you ever wondered what blood is made of? Learn what types of blood can be donated!
Color Subtraction Challenge
Try picking colored poof balls once every color, except red, is removed!