Construct rectangular prisms using cubic-centimetre blocks and count the blocks to determine the volumes of the prisms

1. Block Head Marty - number of small blocks
2. Block Head Bob - number of small blocks
3. Block Head Eddie - number of small blocks
4. Fadila's Magic Cube - number of small cubes
5. Block Heads - number of small cubes
6. Cubin' Cubes 1 - unit cubes in larger cube