| Set contents |
| K2404.1 | Gear Wheel Hub | 12 |
| K90900 | K'NEX Tan interlocking clip (pack 10) | 18 |
| K90902 | K'NEX Orange connector 2-way straight (pack 10) | 15 |
| K90903 | K'NEX Light Grey connector 2-way (pack 10) | 24 |
| K90904 | K'NEX Red connector 3-way (pack 10) | 21 |
| K90905 | K'NEX Green connector 4-way (pack 10) | 24 |
| K90906 | K'NEX Yellow connector 5-way (pack 10) | 18 |
| K90907 | K'NEX Blue connector 7-way 3D (pack 10) | 18 |
| K90908 | K'NEX White connector 8-way (pack 10) | 15 |
| K90914 | K'NEX Black clip with rod end (pack 10) | 12 |
| K90919 | K'NEX Hinge - Black half (pack 10) | 12 |
| K90950 | K'NEX Green rod 16mm (pack 10) | 99 |
| K90951 | K'NEX White rod 32mm (pack 10) | 60 |
| K90952 | K'NEX Blue rod 54mm (pack 10) | 39 |
| K90953 | K'NEX Yellow rod 86mm (pack 10) | 27 |
| K90954 | K'NEX Red rod 128mm (pack 10) | 21 |
| K90955 | K'NEX Grey rod 190mm (pack 10) | 15 |
| K90985 | K'NEX Medium gear - red | 3 |
| K90993 | K'NEX Medium crown gear - yellow | 3 |
| K90994 | K'NEX Blue Spacer (pack 10) | 54 |
| K91108 | K'NEX Flexi rod lime green 190mm (pack 10) | 15 |
| K91224 | K'NEX Silver spacer (pack 10) | 36 |
| K91317 | K'NEX Small gear dark blue | 6 |
| K91440 | K'NEX Blue clip (pack 10) | 18 |
| K91700 | Large Rt. Gear - Orange Half Gear | 3 |
| K91921 | K'NEX Headtop translucent yellow | 6 |
| K509012 | Micro Connector (1) Green | 6 |
| K509022 | Micro Connector (2) Straight - Purple | 6 |
| K509032 | Micro Connector (2v) - Orange | 6 |
| K509042 | Micro Connector (3) Yellow | 24 |
| K509052 | Micro Connector (4) - Lt. Gray | 9 |
| K509081 | Micro Connector (8) Black | 3 |
| K509092 | Micro Connector (4h) Blue | 12 |
| K509142 | Micro Rod/Conn Tan | 3 |
| K509502 | Micro Rod 0.5625"- Black | 33 |
| K509512 | Micro Rod 0.995"- Yellow | 12 |
| K509522 | Micro Rod 1.607"- Dk. Grey | 3 |
| K512242 | Micro Spacer - 3 Wide - Met. Blue | 21 |
| K530801 | Knex To Micro Trans. Rod .837" - Red | 12 |
| K530901 | K'NEX Micro Purple Transition Rod (pack 10) | 9 |
| K840101 | Brick, 2 X 4 - Blue (#8) | 9 |
| K840201 | Brick, 2 X 4 Flat - Blue (#F1) | 24 |
| K840301 | Brick, 2 X 8 - Blue (#16) | 9 |
| K840401 | Brick, 2 X 2 - Blue (#4) | 3 |
| K840900 | Brick, 1 X 2 Long Wedge - Black | 6 |
| K841007 | Brick, 1 X 2 With Side Hole - Dk. Gray | 6 |
| K841201 | Brick, 1 X 4 Wedge Left - Blue (#W3) | 3 |
| K841301 | Brick, 1 X 4 Wedge Right - Blue (#W2) | 3 |
| K841500 | Brick, 1 X 4 Rod Axle - Black (#K2) | 6 |
| K841700 | Brick To Micro Adapter Rod - Orange | 9 |
| K841800 | Brick To Knex Adapter Rod - Floro Yellow | 21 |
| K842001 | Brick, 8 X 10 T-Brick - Blue | 3 |
| K842801 | Brick - I-Brick - Blue | 3 |
| K842907 | Brick - Right Angle Brick - Dk Gray | 6 |
| K909011 | Connector - (1) - Purple | 18 |
| K909091 | Connector -(4h)- Dk. Gray | 18 |
