VEXcode IQ Blocks are puzzle-piece shaped blocks that connect above or below each other and are used to program. A series of connected blocks is called a stack. There are five different shapes of blocks and each shape tells you about its role in the project.
| Block Shape | Description | Block Examples | |
|---|---|---|---|
| Hat blocks | Start a stack of blocks and are shaped to attach blocks below them. |  |
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| Stack blocks | Perform main commands. They are shaped to attach above or below other stack blocks. |  |
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| Boolean blocks | Return a condition as either true or false and fits inside any blocks with hexagonal (six-sided) inputs for other blocks. |  |
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| Reporter blocks | Report values in the form of numbers and fits inside any blocks with oval inputs for other blocks. |  |
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| C blocks | Loop the block(s) within them or checks if a condition is true or false. They are shaped to attach stack blocks above, below, or inside them. |  |
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