This is a so-called Focus Free or Toy Camera, a simple plastic camera.
It's a quite common model, sold in different colours and under different
names, one of them is Suntone. It's also similar to the Charman camera.
This one is branded Heidelberger Zement, so it was a give-away from this
main features are:
angle plastic lens, focus free
Double Exposure Prevention, hot shoe
Size 118x73x45, Weight 127 gr.
Camera, box and
Camera back. Viewer and film advance.
Camera top. Film rewind (handle does not even fold), hot shoe and shutter
Camera bottom. Tiny film counter, rewind release.
Film compartment. Note the curved film plane, it helps to avoid vignetting
of the simple plastic lens.
the ultimate basics of a camera, focus free, single shutter speed and
fixed aperture. Point and shoot only. If you choose the right film, ISO
400 in general, you can shoot outside photos that look OK. The rest will
be "Lomo" style, but you can attach a flash for