Heavier or Lighter: What Weighs More?
What is the weight of...? Guess which item is heavier or lighter.
Heavier or Lighter: What Weighs More? Weights between 1g - 300g.
What is the weight of...? Guess which item is heavier or lighter.
NEW
Heavier or Lighter: Which Animal Weighs More?
From a tiny bee hummingbird to a blue whale: guess which animal is heavier or lighter.