Raspberry Pi 4 Model B 1-5layers Transparent Acrylic Case Protective Shell for Raspberry Pi 3 Model B+(plus) / 3B / 2B / B+

Raspberry Pi 1-5layers Transparent Acrylic Case Protective Shell for Raspberry Pi 4 Model B/3B+(plus) / 3B / 2B / B+. Packing list: Bundle 1: (1 layer) 1 x Holder Board 1 x Top Board 1 x Cooling Fan with fan net 1 x Screws package Bundle 2: (2 layer) 1 x Holder Board 1 x Top Board 1 x Intermediate board 1 x Cooling Fan with fan net 1 x Screws package Bundle 3: (4 layer) 1 x Holder Board 1 x Top Board 3 x Intermediate board 1 x Cooling Fan with fan net 1 x Screws package  Bundle 4: (5 layer) 1 x Holder Board 1 x Top Board 4 x Intermediate board 1 x Cooling Fan with fan net 1 x Screws package           Bundle 5:Mid Shell 1 x Intermediate board 1 x Screws package