Springfield is hosting its first-ever LEGO convention this weekend at the MassMutual Center. The Springfield Brick Convention will be held on August 19th and 20th at the MassMutual Center. Tickets are $14.99 and are available on their website for either date. According to the MassMutual Center, there are two sessions on both Saturday and Sunday, 10:00 a.m. to 1:00 p.m., and 2:00 p.m. to 5:00 p.m. The 10:00 a.m. to 1:00 p.m. on Saturday is sold out. The 2:00 p.m. to 5:00 p.m. has limited tickets.