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 |