| Min number of participants | 1 |
| Age | 8+ yrs. |
| Safety support by adult | Not required |
| Min duration | 15 min. |
| Cost | Low |
| Environment | Indoor / Outdoor |
A grid-division puzzle where you split the whole grid into regions (polyominoes) so that every cell's number equals the size of the region it belongs to — and no two same-sized regions touch edge-to-edge.
Filling in a grid of interlocking answers from short clues, letter by letter, until every square checks out — a classic pen-and-paper puzzle that sharpens vocabulary and general knowledge.
A numeric fill-in puzzle: you're given a bank of numbers and place each one into a blank crossword-style grid based on how many digits it has and which digits must line up where lines cross.
