
Currently at work we are installing frog ponds in schools around the local area. One of the challenges has been establishing plant life to provide shelter from predators. Getting frogs to lay is relatively easy, a saucer full of water is generally all they need, but predation of the juvenile frogs takes a massive toll.
Whilst establishing the environment around the pond we came up with an easy and cheap portable home until more suitable plant growth comes in.
All you'll need- Two pots, one larger than the other
A large saucer
A bolt with nut and washers
Sphagnum moss + terrarium plants
Simply connect the two pots with the bolt and washers 
Add sphagnum moss to saucer and add terrarium plants around the exterior
Then water till the Sphagnum greens back up (generally it is still alive, but dormant in the bag) may take several days
The gap between the two pots allows the frogs access inside and prevents predators getting to them.
Through capillary action the inside pot draws water up from the base and keeps the top pot wet, similar to a bushman's fridge it keeps the whole unit cool and humid inside.
This would be a perfect project for the kids on a weekend, they could decorate the top too. Plus if you sneak out in the day time and lift the pot, you may find the frogs taking refuge.
The Australian museum also has a great free app for identifying frogs by their call. As a species which is so susceptible to environmental change, they are a great indicator species for the health of the environment around us.
Aus Museum Frog ID APP download
Happy Frogging!!