Items on this site range in suitability from newborn to 13 years of age and I am specifically interested in the Microcontroller Experimentation Kit which allows you to write programs and upload them to this device which has onboard sensors for light and temperature among other things. It also has a microphone, buzzer, diodes, resistors and more.
The product comes with a manual which has over 100 experiments and should be fascinating to play with. I wish I had one of these
This product is rated for kids 12 and higher and is priced at $150 with free shipping on Cyber Monday only.