Massdrop offers the Seeed Grove Starter Kit for Arduino, model no. 110060024, for $29.99 plus $3.75 for shipping. That's tied with our mention from a month ago and the lowest total price we could find now by $6. Each included module uses the same 4-pin connector and has a specific function, which allows you to manipulate LED lights, buzzers, and sensors. Click here for more information on Arduino. Deal ends May 16.Note that this item is expected to ship on June 3.