Want your own 37mm starter kit? Ours contains: 

• 5 -3.5" aluminum casings
• 5 -2" plastic hulls
• 1 "Bird Banger" kit
• 10 - payload cup caps
• 5 - fused Large payload cups
• 3 - Large payload cups
• 2- Small payload cups
• 1 - 4" fused XL payload cup
• 5 - powder bushings
• Reloading information booklet  

It's an overall savings of over $10.00 off buying the pieces individually.