4239 LEGO Freestyle Trial Size Bag

LEGO 4239-1 Trial Size Bag is a Freestyle set released in 1998, containing 37 pieces and 1 minifigure. It is a small parts pack for open-ended building and includes basic bricks and plates in primary colors alongside elements such as an antenna, wedge plates, and a trans-clear 2 x 2 slope. Printed parts include a red 1 x 1 eye-pattern brick and a yellow slope with the Freestyle pennant graphic. The set also includes a Freestyle Timmy minifigure with green legs and a red cap.

A new and sealed Trial Size Bag is currently valued at around $13, with annual growth of 4.7% that is expected to level off to around 4.5% in the coming year. The average used price is $10 for those in good overall condition. Based on current trends, this set could be valued near $13 within the next year. The 1 included minifig account for approximately 29% of the set's total value.