When I first started teaching I had no idea what I was doing - especially when it came to teaching beginners. Now that I've been doing it for more than thirty years, I feel pretty comfortable. Here are a few things I wished someone had shown me back then. I hope they help inspire you to be an energetic, enthusiastic teacher!
Sometimes thumb puppets are easier to find at Office Playground - another great source for props for your studio.
Washi Tape is a wonderful teaching tool. Students of all ages enjoy using it. When things get tough during a lesson, I often pull it out to help refocus a student. "Should we put some tape on this passage?" It also gives a little break from working hard and provides a student choice and control over something creative and pleasant. The Washi Tape Dispenser comes two ways - with and without tape. (I originally bought it with tape and have since bought more tape when I find some I like...which is far too often!) Here's a post about about using Washi Tape.
The key to being a great piano teacher is office supplies. Maybe that's a slight exaggeration, but having tricks up your sleeve and brightly colored props does help. Post-Its are the first office supply I fell in love with. Here's a post about using post-its to teach.