This is part of large size egg  incubator when setter with hatcher together.you can put in or out the trolley conveniently.

a) for the hatcher trolley is trolley with basket,after hatching time 18 days then you put the eggs to basket;

b) for the incubator trolley is trolley with egg trays.when start hatching you put the eggs to trays and after 18 days put the eggs to hatcher basket.

c)we can produce the size and details  as your need.