- Puzzles – jigsaw puzzles, 3D wooden puzzles, iPad app, web resources for make your own / solve online
- Measurement – scavenger hunt, length, volume, weight
- Catapult – craft sticks, elastics
- Spatial visualization – snap cubes, LEGO, isometric drawing, apps
engineering4kids.org – try this… selected activities from the collection of “stories” about the “built” world (all kinds of stuff that someone designed and created) and the engineering that makes these things or makes them better.