October 27, 1983 • 30m
A Homemade Volcano Medicine Dropper Diver Heat Spiral Body Heat Folding paper Computer Airplane Walking Through Paper
January 1, 1970 • 30m
Fire Writing Paper Towel Tube Fish Bombing Run How A Bird Flies Impossible Holes Bleach Art Wooly Aphids Tricky With Gravit...Read more
January 1, 1970 • 30m
Flour Explosion Pendulum Hidden Leaf Color How A Siren Works Mapping A Guitar Blow Through Bottle Card Illusion Aurora Bore...Read more
January 1, 1970 • 30m
Speed Of Sound Refraction How Many Stars? Glass Duet Computer Spell Checker After A Forest Fire Oscillating Window Illusion ...Read more
January 1, 1970 • 30m
Electrocuted Hot Dog Household Levers Fly's Foot Magic Number Oil Lamp Chocolate Journey Quartz Watch Mass vs. Weight
January 1, 1970 • 30m
He2,H2 & Air Balloons Mystery Close-Up Static Electricity Strobe Effect Blast Engineering Strength of Bone How Many Oceans Straw Sip, How Long?
January 1, 1970 • 30m
Delicate balance Potato Gun Zebra Density Float Missing Piece of Cake Opposite Threads Fireworks
January 1, 1970 • 30m
Iron Clad Magnet Mystery Close-Up Catenary Arch Scienctific Noise Rubber Band Code Mono Lake Torsion Balance Stream Engine Run
January 1, 1970 • 30m
Talking Head Illusion Mosquito on Skin Upside Down Water Oscilloscope Cube Quiz Mystery Close-Up Inertia Black Bears Metal Detector
January 1, 1970 • 30m
The Clock Reaction Impossible Triangle Mystery Close-Up Blow Into Bottle Mirror Fun Archaeological Dig Ice Test Laser Challenge
January 1, 1970 • 30m
Black Bag Balloon Mystery Close-Up Pick-Up Game Analyzing Moon Rocks Sound Travel Doubling Magic Manatee Thermoscope Why S...Read more
January 1, 1970 • 30m
Moon Phases Water Pressure Blue Grouse String Puzzle Antacid Tablet Test Garden Hose Mystery Hovercraft Washer & String Mag...Read more
January 1, 1970 • 30m
Flashpaper Broom Trick Panama Canal Hero's Voice Nipple Expansion Exercise For Cows Reaction Time Solar Mirrors Tablecloth Pull
January 1, 1970 • 30m
Hot Air Balloon NYC To Tokyo Whispering Tube Hero's Hand Robots In The Factory Optical Illusions I-Beam
January 1, 1970 • 30m
Dancing Spaghetti Centipede Dribble Glass Joining Paper Clips Hibernation Hero Counts What Do You Hear? Pitcher Plant Drop Balls & Card
January 1, 1970 • 30m
Polarized Light Jet Propelled Boat Fat Mice Underwater Safari Bee Stinger Rock Tumbler Spider's Trap Atari Hardware Mounds...Read more
January 1, 1970 • 30m
Straw & Acid Straw Oboe Ant Farmers Rolling Pin Code Equal Solids Hawaiian Volcano Swallow Upside Down Crush Egg
January 1, 1970 • 30m
Dry Ice Fog Napkin Suction Crawling Cell Computer Graph Starch Test Lizard Autopsy Find Your Pulse What Makes Rain
January 1, 1970 • 30m
Make A Rainbow Hard vs. Fresh Egg Plastic Zipper Mothball Frost Random Numbers Wildlife Center Surprise Reaction Weightless...Read more
January 1, 1970 • 30m
G-Forces Ocean Motion Washer Thru Hole Fat Mice Plants That Eat Animals Cork Floats Avalanche Computer Echo Star Trails CO2 Puts Out Candle
January 1, 1970 • 30m
Fireproof Handkerchief Flashed Sign Fishing Bears Balancing Glass On Card Lye & Aluminum Water Hyacinth Taste & Smell Fligh...Read more
January 1, 1970 • 30m
What Is A Fuse? Unusual Water Electron Microscope Computer Logos Grasshopper Eyes Plastic Tracks Pouring Air Otter Replanting Blow Weight
January 1, 1970 • 30m
Model Rocket Glass Bending Glass Phone Giant Model Train Rope Knotting Gelatin & Balloon Computer Printer Marble On Plate
January 1, 1970 • 30m
Pepper's Ghost Free Fall Water Streams Creek Transplant Hidden Order Of Cards Oscilloscope Burglar Alarm Vapor Trail Balloon Sizing
January 1, 1970 • 30m
Radio Control Plane Square On Balloon Armadillo Patient Folded Paper Flips Vectrex Drawing Oldest Living Thing Touch Secret...Read more
January 1, 1970 • 30m
Plastic Hot Air Balloon Glue Powered Bugs Apple Flower Binary Number System Lung's Capacity Unbreakable Container Spoon Into...Read more
January 1, 1970 • 30m
Light Sculpture Paper Plate Illusion Bacteria Sticker Flash Fill Ice Cubes Sticking Childhood of Chimps Word Processing Pouring Along String
January 1, 1970 • 30m
Giant Bubbles Water Strider Sex I.D. Banana Surprise Hero The Robot Snake Tracker Uphill Funnel Muscle Pairs Wing Bee Bottle Pickup
January 1, 1970 • 30m
Steel Wool Fireworks Blow Card Off Spool Firefly Trickery Chewing String Together Fingerprints Mount St. Helens Computer Log...Read more
January 1, 1970 • 30m
Pictures On A String Pin Piano Moldy Orange Word Processing Tree Mower Mobius Strips Meteor Portrait What Causes Wind Drawing Ellipses
January 1, 1970 • 30m
Fiber Optics Unflippable Card Egg & Sperm Lycopodium Powder Earth - Summer - Winter Chromatography Coleus Leaf Steam Engine...Read more
January 1, 1970 • 30m
Liquid Nitrogen Sweater Reversing Whisk Broom Robots Fire Fighter's School Singing Glasses Potato Float