For more serious lessons about moles you may want to direct students to Sophia Learning's fifteen part course on moles.
https://www.moleday.org/amedeo-avogadro
https://youtu.be/TEl4jeETVmg
https://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one/think
https://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one/digdeeper
SONGS:
https://www.youtube.com/watch?v=PvT51M0ek5c 1998 A Mole is a UNIT by Mike Offutt
https://www.youtube.com/watch?v=IPJmo1mn9XQ Sherlock Molmes Mole Day Song 2023
https://www.youtube.com/watch?v=wnC0hZNMVS4 Finding NeMole Mole Day Song for 2022 by Mike Offutt
https://www.youtube.com/watch?v=rBkJX5s6htQ HaMOLEton Mole Day Song for 2021 by Michael Offutt
https://youtu.be/H3G-zOdCJmA MOLEzilla the Mole Day song for 2020.
https://www.youtube.com/watch?v=uG5MFXJmcBI Moley Potter 2018 Mole Day Song by Mike Offutt
https://www.youtube.com/watch?v=9R-T4kE2Kf0 Mole Day Song 2017 - "Molevengers: Earth's Mightiest Unit"
https://www.youtube.com/watch?v=BhmYIMPnBwc Mole Day Song 2016
https://www.youtube.com/watch?v=cbEiIjgLRY0 Mole O Ween. The official Mole Day song for 2014
https://www.youtube.com/watch?v=Kh6DxWnr8kk Mole Day Song of 2006 - "Mole Madness" - Michael Offutt
https://www.youtube.com/watch?v=czgQWa8olsY Little Mole Maid "In Chemistry" - Mole Day Song - Michael Offutt
https://www.youtube.com/watch?v=IgCToi64aow 1999 The Whole World is a Mole World - MIchael Offutt
https://www.youtube.com/watch?v=jo9ybRTmbBk 1991 The Mole the Merrier - Michael Offutt