Since 1998, we have hosted construction contest of Naef blocks.
| Year | Name | Keepsake brochure | Number of work |
|---|---|---|---|
| 1998 | Cubicus Quiz (Heighest pattern with Cubicus components) | 24 | |
| 1999 | Naef-spiel Quiz (Number of patterns with 2 piece of Naef-spiel) | 36 | |
| 2000 | Angular pattern competition |  | 118 |
| 2004 | Diamant pattern competition |  | 127 |
| 2006 | Naef-spiel pattern competition |  | 129 |
| 2007 | Vivo pattern competition |  | 229 |
| 2008 | Cubicus pattern competition |  | 126 |
| 2009 | Rainbow pattern competition |  | 150 |
| 2010 | Cella pattern competition |  | 123 |
| 2011 | Ligno pattern competition |  | 76 |
