This kit has the basics you would need to assemble a 40-gallon Ball Python enclosure. 

This kit includes:

3x  6qt BioActive Grasslands Substrate

3x  6qt BioActive Rainforest Substrate

2x  Large bags of Leaf Litter

1x  Cork Oak piece

1x  Palm Piece + Fan

1x Bag of Sphagnum Moss

2x Bags of Green Mountain Moss

This Kit was designed to provide you with everything you would need to set up the basics or refresh a Ball Python BioActive enclosure.