1. Pieter Bruegel the Elder, Children’s Games, 1560

2. Tree of Wisdom, early 15 th c. Germany

3. Salvator Rosa, L’Umana Fragilità, c. 1657

4. Cornelis Ketel, Homo Bulla, 1574

5. Hieronymus Bosch, The Christ Child (?) with a Baby Walker and a Whirligig, late 15 th c.

6. Jean-Siméon Chardin, Les bulles de savon, 1739

7. Jean-Baptiste-Siméon Chardin, La Blanchisseuse, 1733

8. Edouard Manet, Bulles de savon, 1867/8

9. John Everett Millais, ‘Bubbles’, 1886

11. Velázquez, Prince Baltasar Carlos with an Attendant Dwarf, 1632

12. Velázquez, Prince Baltasar Carlos on Horseback, 1634-5

13. Velázquez, Las Meninas (The Family of Philip IV), 1656

14. Francisco Goya, Childish Rage, c. 1825-8