WHAT A GREAT IDEA! So much better than the little kids potty that you have to dump and clean. Also funny when knew people come over and ask why the toilet seat was so small! Inside the lid, kids' potty seat from Home Depot.
Star Kids Snack and Play Travel Tray: Baby ~ Nylon. Car seat tray provides flat, safe area to eat and play. Fits most booster seats; buckles around children, car seats and strollers. soft foam reinforcement folds on impact.
Gabion walls don't need any kind of drains because they are porous throughout. Gabions can be customized to make them more useful in public spaces. Gabions can be filled with any heavy material--diverse stones, metal artifacts, obtanium, etc.