Also check out my Rotary Engine Keychain and Fidget Shifter Keychain

This Turbo Whistle Keychain replicates the design of a turbocharger, merging both form and function in a compact and interactive model. It's not only a stylish accessory for automotive enthusiasts but also an engaging gadget that mimics the spinning action and sound of a real turbo when blown into.
 

Features:
 

Realistic Turbo Design: The keychain is modeled with a high degree of accuracy to resemble the look of an actual turbocharger.

Spinning Functionality: Includes a moveable impeller that spins when air is blown into the unit, producing a turbo-like sound.

Keychain Utility: Designed with a built-in loop, making it easy to attach to keys, bags, or other personal items.

Interactive Entertainment: Acts as a stress-reliever or a fun conversation piece, offering both visual appeal and interactive play.

DIY Assembly: The model comes in separate parts that require assembly, giving the user the satisfaction of building their own mini turbocharger.

Secure Coin Lock Mechanism: The base plate is designed to be locked into the housing securely using a common coin, ensuring the impeller stays in place during use.