4-Mation is a product being developed by Kevin Holmes, Jonathan Scoon, and Charlie Round-Turner that features a spinner that accommodates different 3D-printed animations, like the leaping frogs above.
They also have this cute fish loop:
They plan to offer three models, from basic to deluxe:
4-Mation is a modular 3D Zoetrope kit that will be available in 3 models. It's powered by 24 3Watt RGB LED strobes, precision timed by a microcontroller linked to an encoder motor. RPM(Strobe-rate), brightness, colour are all controlled from a phone app. The Android app (4-Mation) is already in the play store, iPhone app is in progress. Assemble the kit in about 1/2 hour then download and print one of our free animations – or design your own.Animations can be swapped in a minute.
They took it to a local school, where the response was tremendous:
Sign up at their site to find out when the crowdfunding campaign launches.