Building a Button Box: Overview

I have a daughter (not Cindy Lou Who, but she is slightly less than 2) who loves buttons and lights (“yight!”).

Buttons ABC's - learning letters with buttons

Sim Racing Button Box : 8 Steps - Instructables

Buttons ABC's - learning letters with buttons

V2RButtonBox (Virtual To Real Button-Box) – EKSIMRacing

LED Button Box Toddler Toy – Easy DIY Electronics Project – legit nerd

How to Build A Simple Button Box That Can Be Used For Sun Racing Gaming Or Other Interfaces on PC

Release - Build your own custom button box controller

Syonyk's Project Blog

The Best DIY and Prebuilt Sim Racing Button Boxes - Coach Dave Academy

Building a Button Box and can't quite figure out where I went wrong! - Project Guidance - Arduino Forum