Walmart offers the LEGO Ideas Adventure Time
for $30.79. Opt for in-store pickup
to drop that to $30.02
charges the same for Prime members.) That's the lowest price we could find by $20. This 495-piece set features eight buildable LEGO brick adventure time characters: Finn, Jake, Princess Bubblegum, Lady Rainicorn, Marceline, BMO, Ice King, and Gunter.