Figure 12.4: Pan-pipes apparatus (a) the stick-tool inserted under the T-bar for the lift method, (b) the stick-tool inserted into the top hole for the poke method and (c) the push slide method by using the stick-tool pushing the T-bar back. In (d) the Pan-pipes viewed from the child’s perspective, inside the clear plastic box with the access holes, with lift being demonstrated.

Whiten, A., & Flynn, E. G. (2010). The transmission and evolution of experimental ‘microcultures’ in groups of young children. Developmental Psychology, 46, 1694–1709.