Little builders

Find three groups of three connected words.

Mistakes left: ●●●●

Choose three words, then submit your group.

Puzzle notes

This original practice board has nine words and three intended categories. Look for specific shared meanings rather than a broad association. It is part of TrioNine’s 38-puzzle collection, published October 1, 2026.

Words on this board: BRICK, CONCRETE, PLYWOOD, RULER, TAPE MEASURE, CALIPER, SCREW, NAIL, BOLT.

Reveal this puzzle’s three groups and explanations

Construction materials

BRICK · CONCRETE · PLYWOOD

These materials are used in building.

Measuring tools

RULER · TAPE MEASURE · CALIPER

These tools measure dimensions.

Fasteners

SCREW · NAIL · BOLT

These attach materials or components.

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