High Five
The hands are from amazon http://www.amazon.com/Set-Ten-Finger-Hands-Puppets/dp/B00OACD9CU/ref=sr_1_25?ie=UTF8&qid=1455565530&sr=8-25&keywords=hand
I suppose you could print your own but I had these. also made some of the pins fat at the end so they would press fit, it worked for me but may be to tight on your printer so either sand them or use the original pins from Johann517's design