Flapping Halloween Vampire Bat By Liz Clark (Adafruit) · Example build · 10 views · 0 remixes A no-solder Halloween bat whose 3D-printed wings flap on two micro servos while the Circuit Playground Express glows with a comet animation 0SaveRemixCopy link Estimated parts cost 2 of 3 parts pricedDifficultyEasyParts3 parts · 4 pcs Start the assembly guide →