amazon.com has the 4D Build Harry Potter Hogwarts Express 3D Puzzle Model Kit for $8.49 with free shipping on $35+ or with Prime.

amazon.com has the 4D Build, Harry Potter Character 3D Puzzle Model Kit for $6.39

amazon.com has the 4D Build, Harry Potter Hedwig 3D Puzzle Model Kit 118 Pcs for $14.99