Building Blocks Set Breakdowns
The following are the sizes and piece counts for our wooden building blocks.
A Parent's Guide tp Creative Block Play
* Note: Our base unit is 1". Common "unit blocks" have a base unit of 1.375".
| # | Piece Name | Image | Piece Size | My First | Apprentice | Engineer | Architect |
| 1 | Unit* | ![]() |
4" x 2" x 1" | 4 | 8 | 12 | 22 |
| 2 | Double Unit* | ![]() |
8" x 2" x 1" | 2 | 3 | 3 | |
| 3 | Quad Unit* | ![]() |
16" x 2" x 1" | 2 | |||
| 4 | Half Unit* | 2" x 2" x 1" | 5 | 10 | 19 | 17 | |
| 5 | Quarter Unit* | 2" x 1" x 1" | 7 | 8 | |||
| 6 | Eighth Unit* | 1" x 1" x 1" | 4 | 2 | 4 | ||
| 7 | Large Triangle | ![]() |
4" x 2" x 1" | 4 | 6 | ||
| 8 | Small Triangle | 2" x 2" x 1" | 2 | 4 | 6 | 6 | |
| 9 | Pillar | ![]() |
4" x 0.875" dia. | 2 | 2 | 2 | 3 |
| 10 | Double Pillar | ![]() |
8" x 0.875" dia. | 2 | 2 | ||
| 11 | Half Pillar | 2" x 0.875" dia. | 4 | 4 | 8 | ||
| 12 | Unit Ramp | ![]() |
4" x 1" x 2" | 2 | 2 | 2 | 2 |
| 13 | Unit Arch | ![]() |
4" x 2" x 1" | 1 | 1 | 2 | 2 |
| 14 | Half Circle | 2.75" x 1.375" x 1" | 1 | 1 | 2 | 2 | |
| 15 | Half Arch | 2" x 2" x 1" | 2 | ||||
| 16 | Quarter Circle | 1.375" x 1.375" x 1" | 2 | ||||
| 17 | Floor Board | ![]() |
8" x 4" x 0.5" | 2 | |||
| 18 | Roof Board | ![]() |
8" x 2" x 0.5" | 2 | 2 | ||
| 19 | Column | ![]() |
4" x 1" x 1" | 4 | 3 | 6 | 5 |
| 20 | Double Column | ![]() |
8" x 1" x 1" | 3 | 2 | ||
| 21 | Half Ramp | ![]() |
4" x 1" x 1" | 2 | |||
| Total | 21 | 41 | 78 | 104 |












