This action was to draw attention to the fact that Clarion Events who own and organise the Baby Show are also heavily involved in the international weapons trade. Besides selling jets tanks missiles and guns they also sell torture and prison equipment to anyone with the money to buy. This includes particularly repressive regimes such as Saudi Arabia and Israel. For more background search online.
Disrupting the sanitised consumer fest that is the Baby Show is part of the ongoing mobilisation against the weapons trade in all its forms.