If you choose a 3-month subscription, you will be billed after your 3rd kit is shipped. STEM Lab Deluxe are automatically rebilled on the 15th and STEM Lab is rebilled on the 30th. For example, if you join STEM Lab Deluxe on January 1st, your first kit will ship out around January 5th and you will receive the January, February and March kits. You will automatically be rebilled on March 15th.
See our cancellation policy for deadlines and instructions on how to cancel.