How do I combine Transportation and Goods in Doodle God?

To combine Transportation and Goods in Doodle God, you need to follow a specific sequence of steps to create the desired element. First, ensure you have unlocked both the Transportation and Goods categories. Transportation is typically unlocked by combining elements like Wheel and Wood, while Goods can be created by combining elements like Money and Product. Once you have both categories unlocked, you can combine Transportation and Goods directly to create a new element. This combination often results in elements like Trade or Commerce, which are essential for progressing in the game. If the combination does not work immediately, double-check that you have the correct elements and that they are properly unlocked. Experimentation is key, so try combining Transportation with other related elements if needed. This process aligns with the game's mechanics of logical and thematic connections between elements, helping you advance and unlock new items.