Home Slickdeals LEGO Harry Potter Advent Calendar 75964 Building Kit, New 2019 (305 Pieces)... Slickdeals LEGO Harry Potter Advent Calendar 75964 Building Kit, New 2019 (305 Pieces) – $29.99 By ARCOM - 8 November 2019 133 0 SHARE Facebook Twitter Go to the deal page: LEGO Harry Potter Advent Calendar 75964 Building Kit, New 2019 (305 Pieces) – $29.99