One notable drawback mentioned by players on BoardGameGeek is that the game requires significant table space, especially at a full 4-player count. Educational Alternatives
Educational games for students to learn about cross-pollination using materials like ping-pong balls or "cheesy snack" dust to represent pollen. Resources for these are available from Science World and Start with a Book . pollen-game
If you are looking for a physical activity or educational tool rather than a board game, "Pollen Game" also refers to: One notable drawback mentioned by players on BoardGameGeek