A catapult toy and a tangram set could pose injury and suffocation risks to children, Hong Kong customs has warned, urging retailers to pull the products from shelves. The Customs and Excise Department said on Saturday that it seized 700 units of the toys during an operation and issued a prohibition notice banning their sale. The action followed an earlier safety test on various toys bought at the Chinese New Year fair. “To avoid accidents, parents should immediately stop letting their children.