Springtails, 1 litre box.
wood shavings is usefull for fruit flies cultures.
4 mm tubing
Good material to build your own background.
6 mm tubing
Petri dishes are usefull for many things. Put under coconut shelters, making eggs grow with low water, feeding and growing tadpoles...
Breeding substrate for fruit flies. Just put some water and it's ready. 2 units of drosofix for 1 unit of water.
Kyoto moss spores
Misting nozzle made in france.
Food for springtails