Fun, buzzing, bugs.
Warning: may cause annoyance to other members of household.
little bits pieces;
i5 slide dimmer
tape or blue tack
Step 1: Assemble Circuit
Assemble little bits in following order; power, slide dimer, buzzer, pulse, servo.
Step 2: Adjustments
Test circuit, use screw driver to turn pulse to highest speed, put servo on turn mode.
Step 3: Make Wings
Cut out bug shaped wings and color with bright marker pens.
Use sticky tape to attach wigs to servo.
Feel free to print these wings. Alternatively you can tape on a pair of leaves.
Step 4: Use
Turn on at power and use slider to adjust buzzing and noise. Slide the slider up and down for mosquito like noise or slide to one third for a fly like drone.