The Arduino Certification exam + kit bundle includes an Arduino Starter Kit and access to the certification exam. Developed in consultation with interaction designers and electronic engineering professionals as well as in regards to leading technology curriculum, the Arduino Certification exam assesses skills based upon exercises comprised of practical tasks from the Arduino Starter Kit. To obtain the certificate, you will be requested to answer 36 questions over a period of 75 minutes. Purchasing the bundle will grant you the Arduino Starter Kit and an activation code, which can be used to unlock 1 attempt at the Arduino Certification exam. Purchasing the exam alone costs $30, and grants 1 attempt at the Arduino Certification. Once the code has been redeemed, you have one year to activate the exam, otherwise the code will become invalid.