PBS
Pbs Kids: Design Squad: Build: Glow Sticks
Test your electrical skills! Can you make a working glow stick with a nine-volt battery and a strand of lights?
PBS
Pbs Kids: Design Squad: Build: Build a Better Lunchbox
Follow the directions to build a lunchbox that will keep a frozen treat from melting.
PBS
Pbs Kids: Design Squad: Build: Bristle Bots
Are you up to the task of making a mini robot? It requires a small motor, a button battery, wires, and a toothbrush.
PBS
Pbs Kids: Design Squad: Build: Balloon Joust
Prepare your balloons, using barbeque skewers and straws, for a balloon joust with your friends.
PBS
Pbs Kids: Design Squad: Build: Balance Magic
See if you can balance a sculpture on the end of a toothpick!
PBS
Pbs Kids: Design Squad: Build: Air Cannon
Make your air cannon using simple items like a paper cup, a plastic bag, and pom poms; then see how far you can shoot the pom poms.
PBS
Pbs Kids: Design Squad: Build: Treasure Grab
Grab all the treasure you can and test your driving skills with your Treasure Grabber made with string, paper clips, and a straw.
PBS
Pbs Kids: Design Squad: Build: Indoor Slingshot
Build your own launchers to play carnival-style games using things like toilet paper rolls and rubber bands.
PBS
Pbs Kids: Design Squad: Build: String Puppet
Make your own puppets that move, bend, and twist at your command simply using straws and fishing string.
PBS
Pbs Kids: Design Squad: Build: 4 Wheel Balloon Car
Create your own 4-wheel balloon cars with simple household items and race them across the floor.
PBS
Pbs Kids: Design Squad: Build: 2 Wheel Balloon Car
Make your own 2-wheel, air-power cars and race them or play games with them. Balloons and straws are them main components.
PBS
Pbs Kids: Design Squad: Build: Marshmallow Blaster
Shoot marshmallows across the room with your own Marshmallow Blaster.
PBS
Pbs Kids: Design Squad: Build: Robo Wheel
Make your own Robo Wheel to race or do freestyle tricks using simple household items like paper bowls, string, and rubber bands.
PBS
Pbs Kids: Design Squad: Build: Unpoppable Balloon
Can you run a stick through a balloon without popping it? See if you can make this un-poppable ballon?
Braingle
Braingle: Cryptography Brain Teasers
Test your critical thinking skills with a variety of cryptography brain teasers, phrases or expressions "encoded in some way." Solve the teasers provided at this site, and submit your own for others to try!
ABCya
Ab Cya: Lightybulb
Lightybulb is a fun puzzle game that will keep you thinking as you try to light up Lightybulb's dark world. Could it be as easy as flipping a light switch? You'll have to find out for yourself!
ABCya
Ab Cya: Lineum
Lineum is a relaxing puzzle game where the goal is to turn the entire gameboard green by drawing a continuous line to flip the non-green tiles.
University of Canterbury
University of Canterbury: Cs Unplugged
A collection of free learning activities that teach computer science through games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to computational thinking through concepts such...
ABCya
Ab Cya: 2048
2048 is a challenging number puzzle for kids and grown ups. The object is to join the numbers to get the 2048 tile. Use your arrow keys to move tiles. When two tiles with the same number touch, they merge into one!
ABCya
Ab Cya: 10 X 10 Ice Cream Adventure
10 x 10 is a fun puzzle game for the whole family! Help Mr. Pebbles score points by dragging the ice cream into the grid to fill up vertical and horizontal lines. There are lots of tasty ice cream treats to help you along the way!
University of Cambridge
University of Cambridge: Nrich: Got It
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
Science Museum, London
Science Museum: Launchpad Online: Launchball
Use your knowledge of physics concepts like electricity, reflection, magnetism, etc. to complete interactive online puzzles.
TED Talks
Ted: Ted Ed: Can You Solve the Prisoner Boxes Riddle?
Your favorite band is great at playing music but not so great at being organized. They keep misplacing their instrucments on tour.
Other
Puzz.com's 1001 Best Puzzles: Brain Training Games: Analogies
These four self-scoring analogy tests include a number of open ended analogies to challenge your logic skills.