- Digital (all free)
- Printed Copies
A couple of hours of crocheting and soldering resulted in the first prize of the Froscon Creative Contest:

The pattern for the frog is an adaptation of this one. I crocheted the head and body in one part and also the feet and the suckers are one part.
You will need 6 LEDs that fit in the holes of the suckers. The wiring follows this scheme:

A 3V coin-cell battery attached in a holder under the belly of the frog provides the power to this circuit.