Apply suggestion from @jhansson-ard

Author: jhansson-ard

content/hardware/09.kits/maker/starter-kit-r4/product.md

@@ -5,6 +5,7 @@ url_guide: https://courses.arduino.cc/starterkitr4
 primary_button_url: https://courses.arduino.cc/starterkitr4
 primary_button_title: Go To Course
 sku: [K000007_R4, K000007_R4-6P]
+productCode: '228'
 ---
 
 The Arduino® Starter Kit R4 is your hands-on introduction to the world of electronics and programming. This all-in-one kit includes everything you need to get started: a powerful [Arduino UNO R4 WiFi](../../hardware/uno-r4-wifi/), a wide selection of electronic components, and a detailed project book. Follow 13+ easy projects to learn the fundamentals, from making LEDs blink to controlling motors and reading sensors. Once you master the basics, online content will guide you in using the board's advanced features: Wi-Fi®, Bluetooth®, and the 12x8 LED matrix, to build Internet of Things projects.