case_images: PMC10900973_01
case_images: Objects used to measure object play
case_images: HPR-12-161656-g001.jpg
case_images: PMC10900973_01_HPR-12-161656-g001.jpg
case_images: F1
case_images: During a measurement session, children were shown 4 objects in the form of 3D-printed cubes fitted with magnets so that they could be connected (Figure 1).