Sig and Mandy Hansen help Ben and Erin spread some cheer with a toy drive.

The Napiers build a maze with tWitch and Allison for a kids' holiday party.

Loni Love reflects on her journey from engineer to comedian as she builds a desk with Ben.

Astronaut Scott Kelly helps Ben build a "mission chair" while sharing terrifying space stories.

Tennis legend Martina Navratilova bring her woodworking know-how to build a Nelson bench with Ben.

Ben bonds with country star Chris Lane over hometown roots as they build a unique mic stand.