Here are a couple slush cast airplane toys that I would love to identify. I feel certain there are a number of MACers who will know...
Two are identical in design with 6 cm wingspans and large green props:
One has a cast lead propeller, wingspan of just over 5.5 cm and a tail wheel on an axle:
The last toy has two engines mounted on top of the wing, a wingspan of a bit over 6 cm and cast lead props: