The worker places something that looks like a piece of bread under a machine, and as liquid is injected, it slowly expands. When held in the hand, it feels soft, elastic, and squishy, easily changing shapes, which makes it quite fun to play with. Then there’s an orange that looks real at first, but after the worker punctures it and injects liquid inside, the shriveled peel inflates like a tiny balloon. Even when soaked in water and taken out, it stays soft and puffy. Toy figures also expand inst