The winter takeover runs through both the December holidays and February break — sock skating, igloo building, light installation and extra workshops.
Details change often — check with the program.
Listed in the GOkidOZ guide to December and February vacation camps around Boston. Registration for the December week usually opens in the autumn and the popular age groups fill first — check the official site for exact dates and availability. Also worth browsing: all school-vacation camps and the full winter guide.