LEGO Classic Large Creative Brick Box
Choose it for: The builder enjoys supplying the idea as well as assembling it.
Consider another option if: The gift needs to deliver one particular character or realistic model.
Read the review and sources →Kind of play
STEM describes a broad set of activities, not one kind of toy. Narrow the shelf to construction, physical puzzles, circuits or coding, then compare what the child does and what support the activity requires.

Gift ages 8–12
Circuit components, brick connectors and construction pieces.

Gift ages 8–12
Buildable rover, circuit parts, wireless controller and illustrated guide.

Gift ages 8–12
Programmable robot ball with sensors and LED matrix.

Gift ages 10–12
Chemistry equipment and chemicals with an 80-page manual describing 125 experiments.

Gift ages 6–12
Five-in-one station with wind vane, compass, rain gauge, anemometer and thermometer, stake and 32-page manual.
Gift ages 8–12
Maps with 60 levels, guide scrolls, avatar, portal, crystals and action/conditional tokens.

Gift ages 4–8
Board, turtle and jewel tiles, code-card decks and obstacles for a child-and-helper programming game.

Gift ages 10–12
Game grid, control panel, challenge and solution booklets, agents and movement/security tokens.

Gift ages 6–10
Small unicorn planter with chia seeds, growing medium, sand and decorations.

Gift ages 6–10
Wooden tree-house pieces, paint, decorations, critters, chia seeds and grow trays.

Gift ages 4–7
Child-sized science tools and illustrated instructions for 50 activities.

Gift ages 8–12
Supplies for 15 experiments plus 30 additional household-material activities.

Gift ages 6–10
57-piece lab station, experiment cards, chemicals and illustrated manual.