Toy Mailbox with automatic flag
thingiverse
A small mailbox (150 mm long, 100 mm wide, 125 mm tall) that can be filled with small gifts to surprise others in your house. The flag has a mechanism that you can put a US Nickel in for weight. This will allow the flag to automatically drop when the door is opened. The model also has space for two 10mm x 2.6mm magnets to hold the door closed. A gap is between the magnets so the door isn't held too strongly shut.
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