Easily modified to make most anything conductive (plants, pumpkins) play a sound when touched.
Simple build instructions at: https://medium.com/@gallaugher/build-a-talking-baby-groot-using-circuit-playground-express-3c6f3f50f1ea
There is a 3D print my students use as a succlent planter here: https://www.thingiverse.com/thing:2836387/files