Top 100 Videos

PrimaryGames has over 700 free online videos that you can watch on your computer or mobile device. Here's a list of the Top 100 Videos on PrimaryGames ranked by video popularity. Watch all of the best videos right from your browser - no downloads needed.

Marshmallow Experiment

Our first experiment is the marshmallow catapult, where you’ll need good aim and a reliable laboratory assistant.

Marshmallow Experiment

Mouse in the House: Martian Mud

Make your own martian mud in this easy experiment for kids!

Mouse in the House: Martian Mud

They Might Be Giants - Roy G. Biv

A rainbow spans a continuous spectrum of colors. Learn the order of the colors in the light sprectrum with Roy G. Biv and They Might Be Giants.

They Might Be Giants - Roy G. Biv

Mechanical Monster

A mad scientist unleashes robots to rob banks and loot museums. Superman saves the day.

Mechanical Monster

Meet Blosom the Tallest Cow Ever

Blosom towers over her American owner Patty Meads-Hanson at a staggering height of 190 cm (74.8 in), over 6ft tall.

Meet Blosom the Tallest Cow Ever

They Might Be Giants - One Everything

Learn about the number 1. From TMBGs CD/DVD set Here Comes the 123s.

They Might Be Giants - One Everything

They Might Be Giants - Meet the Elements

Learn about the elements with this fun song from They Might Be Giants.

They Might Be Giants - Meet the Elements

Microgravity and Astronauts

What effect does microgravity have on astronauts orbiting earth?

Microgravity and Astronauts

They Might Be Giants - I Can Add

Learn to add with They Might Be Giants. From TMBGs 2009 Grammy-winning 'Here Come The 123s'

They Might Be Giants - I Can Add

They Might Be Giants - Alphabet Lost and Found

A family-friendly educational music video from "Here Come The ABC's".

They Might Be Giants - Alphabet Lost and Found

Most Basketball Slam Dunks in One Minute by a Rabbit

Bini the bunny hops into Guinness World Records Amazing Animals with his amazing Basketball skills!

Most Basketball Slam Dunks in One Minute by a Rabbit

Time Travel (Episode 11, Cut the Rope: Time Travel)

Strange things are happening in Om Nom's home! The floor is shaking, his candy is moving, and the room is filled with strange noises. Watch this sweet video and find out how Om Nom's time travel adventure began!

Time Travel (Episode 11, Cut the Rope: Time Travel)

Most Dominoes Toppled in a 2D Pyramid

Dedication paid off in the end for Sinners Domino Entertainment with this pyramid made from more than 8,000 dominoes.

Most Dominoes Toppled in a 2D Pyramid

Time to Climb

Kit and Kate become climbers who set out to scale Swiss Cheese Mountain.

Time to Climb

Episode 20: Things That Go Bash In The Night

A world where kingdoms are built then bashed by bad guys. It's a never-ending battle between builders and bashers!

Episode 20: Things That Go Bash In The Night

The Wishing Stars

Astronomers Kit and Kate plan to stay up to watch a rare meteor shower that night.

The Wishing Stars

Most Pyraminx Solved Underwater

Chinmay Prabhu (India) achieved the record title for the Most Pyraminx solved underwater.

Most Pyraminx Solved Underwater

Most Skips in 24 Hours

Hijiki Ikuyama has the title for the most skips in 24 hours.

Most Skips in 24 Hours

Most Tricks Performed by a Dog in One Minute

Hero The Super Collie certainly lives up to his grand name.

Most Tricks Performed by a Dog in One Minute

UMIGO: Mr. Measure

Here's an AREA of math that totally square!

UMIGO: Mr. Measure