Egg cartons essploding

We started some pumpkins, sunflowers and sweet peas (think big easy-to sow stuff for a 2 year old), more to help Bennett get enthusiastic about the work ahead of us in the garden, but he is enthralled with the plants on our windowsill. Who knew some old egg cartons and a bit of time could be so awesome?

Sunflowers!

Pumpkins!

The little tray of wild seedlings, nestled in their pizza box liner...