The toys that are so fixed, so finished, that every plastic gesture is forever frozen can never be anything else. They can't be transferred. A motorbike in miniature detail can't be a skier, or a truck, a buggy, a stone, a King Wasp or a cake - it can only be a motorbike. Non-transferable and a touch cold because of it.
If he's making a bit of a racket and needs calming down, I plonk him in the box. If he's looking a bit bored and in need of stimulation, I place it in front of him and watch him pummel it with delight. If he's being a bit cheeky, I close the flaps over his head so he's cocooned inside, then whip them open a few seconds later to see his grinning face staring manically back at me.