Mini pumpkins make great tools for science and math exploration in the Pre-K classroom. We used mini pumpkins for exploring weight, measurement, and estimation. These activities can be added to your Science Center or Math Center.
Math Activities for Preschoolers: Measurement Exploration Center
Provide different nonstandard units of measurement for students to experiment with. Leave the measuring open-ended so that students can freely measure any object they feel are appropriate using the tool.