Step right up! Build a miniature version of the popular carnival ride.

Comparison of the metal oxide MQ-3 and MiCS5524 gas sensors

Better than Gandalf when you need to find your way through Moria.

So simple, everyone can build this cute crawling bot and make it move with MakeCode!

Snakes that glow and writhe and slither

Make a sparkling shirt that lights up when you move

Animatronic disembodied hand that crawls along the floor

Halloween themed monsters that react to sound and light

Build a motorized monster that detects your presence

Sing a long and learn about Ohm's Law!

'Ear we go again

Using MakeCode on the Circuit Playground Express to measure distance with an HC-SR04 ultrasound sensor.

Use the accelerometer on your Circuit Playground Express to detect movement

Use a Crickit and Circuit Playground Express to heat or cool items.

Train your cat to press a button and receive a reward

Help your compost THRIVE with this waterproof, Circuit Playground, powered smart compost machine

Build a lab shaker to agitate parts with PVA supports!

Test your paper airplane designs with this DIY cardboard launcher

Servo actuated ears that perk up when there's a loud noise.

Make a soap bubble blowing robot for bubbly fun

Your turn to operate! Perform surgery on Adabot, but be careful not to touch the sides or the buzzer will sound!!!

Use one pair of glasses for normal, bright, and dark conditions, controlled by a Circuit Playground Express

Communicate to other electronics via serial on your Circuit Playground Express

Log your Circuit Playground Express data directly into a spreadsheet