Who doesn't love getting a bottle of bubbles to have fun with friends and pets? What's that? You get tired of all that blowing?

Circuit Playground Express comes to the rescue. Along with the Crickit robotics controller, you can build a simple robot that dips the wand in bubble solution and blows the bubbles for you! Great at parties!

This guide will show you how to build your own bubble blowing robot.


1 x Circuit Playground Express
Adafruit's popular multisensor learning board
1 x Adafruit CRICKIT for Circuit Playground Express
The easiest way to use motors, servos, and other electromechanical and blinky things.
1 x Standard servo - TowerPro SG-5010
High-torque standard servo can rotate approximately 180 degrees (90 in each direction)
1 x 3-Bladed Trifoil Propeller Fan for DC Motor
3-Bladed Tri-foil Propeller - it snaps on like a breeze (pun intended!) perfect for making a fan
1 x DC Toy / Hobby Motor - 130 Size
Standard '130 size' DC hobby motor, 4.5 to 9VDC
1 x DC Motor Plastic Mount - 130 Size / 20mm Diameter
The plastic is just flexible enough you can press-fit a DC motor with 20mm diameter inside
1 x 3 x AA Battery Holder with 2.1mm Plug
A holder for three (3) AA batteries! It's got an 8" long power cable with a 2.1mm DC jack at the end
1 x Alkaline AA batteries (LR6) - 3 pack
Battery power for your portable project!
1 x Small Alligator Clip to Male Jumper Wire Bundle - 6 Pieces
Connect your Crickit to the wires of your DC motor with these handy cables.


You'll want to go to your local store and pick up the following:

2 x Bubble Solution
Liquid Bubbles with 1" (2.5 cm) bubble wands
1 x Container
2" x 4" (5 cm x 10 cm) or so, deep enough to dip bubble wand in sideways, 1.5" (2.5 cm) or so.
1 x Legos or other parts mounting items
Legos make for a flexible way to mount the fan and servo for the project
1 x Super Glue
For gluing mounts to bases. Hot glue may also work.

There are a number of bubble solution recipes on the Internet if you would like to mix up your own. If you decide to make your own bubble wand also, note that the container will need to be deeper than the diameter of the bubble wand.

This guide was first published on Aug 22, 2018. It was last updated on Apr 11, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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