This kit has everything you need and then some to assemble an amazing 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  Large Cork Oak Flat
1x  Medium Cork Flat
1x Palm Piece
1x Bag of Sphagnum Moss
2x Bags of Green Mountain Moss
2x Springtail Culture
2x 10+ Isopod- Species determined at time of packing
1x 4-piece Ball Python Plant Pack
 
This Kit was designed to provide you with everything you would need to set up a 40 40-gallon ball Python BioActive enclosure. All you need to provide in addition is the enclosure, misting system, lighting/heat, and the animal itself!