Plastic Bamboo Water Channel SetPlastic Bamboo Water Channel Kit A versatile and durable water play set designed to teach children about gravity, flow, and cause and effect relationships in a fun, hands on way. This kit includes both the Plastic Bamboo Channels (ANP407) and the Channel Holder Set of 3 (ANP406), allowing children to construct engaging, custom water paths. By adjusting the height and angle of the channels, children can observe how water, table tennis balls, marbles,