This product (software, documents, images, and models) is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (legal text). You are free to copy and redistribute this material in any medium or format, and to remix, transform, and build upon the material for any purpose, including commercially. You must give credit, provide a link to the license, and indicate if changes were made. If you remix, transform, or build upon this material, you must distribute your contributions under the same license as the original.
###Sound Effects
The following sound effects are free clips available from SoundEffects+.
- The cranking sound when the marble machines' tables move is derived from Cartoon Cranking 01 (SFX 43132736).
- The thump sound when a marble hits a bumper in the turn table example is derived from Tennis Ball Hits the Ground 01 (SFX 41802465).
- The creaking door sound when the door example opens and closes is derived from Door Creaking 08 (SFX 42972350).
All of these effects are © Copyright Finnolia Productions Inc. and distributed under the Standard License.