This pattern includes instructions for all three sizes.

Dimensions:
Large Pumpkin = about 11 inches in height
Medium Pumpkin = about 8 inches in height
Small Pumpkin = about 5 inches in height

Materials:
Size 8 Aluminum Crochet Hook (1.5mm)
350 yrds of #10 Crochet Cotton in Pumpkin color (should be enough to make all three Pumpkins)
About 100 yrds of #10 Crochet Cotton in Olive color