Catapulta Casera

2. Catapulta Casera

http://www.taringa.net/posts/info/4386402/Aburrido_-Haste--una-catapulta-casera-Muy-facil_.html

3. catapulta con clips
http://www.ikkaro.com/capatapulta-clips

4. http://www.youtube.com/watch?v=dmlwSQrn0OU&feature=related

5. http://www.youtube.com/watch?v=pTCUBqIwJ-8&feature=related