You might like these two posts: "Hacking My Ceiling Fan's Wireless Remote with a USB TV Tuner", https://www.riveducha.com/decode-wireless-signal-with-usb-tv-tu

You might like these two posts: "Hacking My Ceiling Fan's Wireless Remote with a USB TV Tuner", https://www.riveducha.com/decode-wireless-signal-with-usb-tv-tuner https://www.riveducha.com/decode-wireless-signal-with-usb-tv... "Abusing RPi GPIO pins as a radio controller", https://www.riveducha.com/raspberry-pi-gpio-send-radio-signals https://www.riveducha.com/raspberry-pi-gpio-send-radio-signa... Have fun and if dad modding their toys gets your kids interested in hacking/tinkering then all the better.