Loud Whistle Using Coins
i made a air loud miniature raid siren.
se full Tutorial and TEST here
Drill Holes 35 Degres
![28337137_1880067862066261_8537249487017621695_o[1].jpg](/proxy/?url=https://content.instructables.com/FAU/0V5O/JHUTSR63/FAU0V5OJHUTSR63.jpg&filename=28337137_1880067862066261_8537249487017621695_o[1].jpg)
![28161885_1880067652066282_7565719716324531357_o[1].jpg](/proxy/?url=https://content.instructables.com/F1Q/58A5/JHUTSR5Q/F1Q58A5JHUTSR5Q.jpg&filename=28161885_1880067652066282_7565719716324531357_o[1].jpg)
![28161803_1880067615399619_8565834047041409961_o[1].jpg](/proxy/?url=https://content.instructables.com/FI2/H8PO/JHUTSR4Z/FI2H8POJHUTSR4Z.jpg&filename=28161803_1880067615399619_8565834047041409961_o[1].jpg)
![28238963_1880067698732944_1730106956686362464_o[1].jpg](/proxy/?url=https://content.instructables.com/F3J/DPG3/JHUTSR5O/F3JDPG3JHUTSR5O.jpg&filename=28238963_1880067698732944_1730106956686362464_o[1].jpg)
i made a air loud miniature raid siren.
se full Tutorial and TEST here