 | 9656-1 | 1 | Early Simple Machines Set | 2008 | Duplo and Explore | 102 |
 | 970680-1 | 1 | Special Elements for Early Simple Machines Set | 2002 | Service Packs | 19 |
 | 9654-1 | 1 | Early Simple Machines II | 1998 | Duplo and Explore | 113 |
 | 9655-1 | 1 | Fun Time Gears II | 1998 | Duplo and Explore | 50 |
