The Mistake Monster Game
Mindset
Legend
- player
- coach / parent
- movement path
How it works
Teach young players to respond to errors with positive self-talk rather than frustration using a playful game metaphor.
What you need
- tennis racket
- foam tennis balls
- court
Your focus
Young children are naturally sensitive to failure; reframing errors as manageable events (not catastrophes) is the earliest and most important mindset skill. The 'Mistake Monster' metaphor gives children a concrete, non-threatening way to process and release frustration. Replacing negative reactions with a physical reset gesture builds a habit that persists into competitive play.
Introduce 'the Mistake Monster', an imaginary creature that loves it when players get upset, because upset players make more mistakes.
Teach players that when they make an error, they say 'oh well!' and do a quick shake-out (shake both hands as if shaking off water) to 'scare away' the Mistake Monster.
During a mini rally or feed drill, every time the ball goes in the net or out, the whole group does the shake-out together and calls 'oh well, next ball!'
Coach reinforces by modeling the shake-out whenever a demo ball goes wrong.
Helpful cues
- The Mistake Monster runs away when you shake it off
- Oh well, then what? Next ball!
- Mistakes help you learn, they're not your enemy
Adjust the challenge
Make it easier
Strip it back
Use a stuffed animal as the 'Monster' that gets put away in a box when the player recovers well.UpLVL it
Add the next challenge
Track how many times the player beats the Mistake Monster (recovers quickly) and celebrate a personal record.No account needed
Build a practice plan
Add drills, keep the plan in this browser, then share a link with your staff or parents.This library helps you find the right drill. Inside UpLVL the right drill finds the player.
After every practice, UpLVL automatically surfaces the drills each player needs to work on most. See it for yourself.

