For the fantastic Kindering folks:

Free 3D printed therapy tools for little ones. If you've lost a plastic piece for your favorite toy perhaps a solution can be found here on Thingiverse.

Current (2019) color options include:
Red, Orange, Yellow, Green, Blue, Purple, White, Black, and Glow in the dark (GITD)

Different sizes, proportions, and custom requests are gladly accepted.