Křeček amassed 6,005 different LEGO sets, earning the Guinness World Record for the largest collection of interlocking plastic brick sets, later opening a museum to display it.
Record no. MRB-2026-006217
Largest Collection of LEGO Sets
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.