Keep up the fun, has minor weaknesses

The trailer with syringe has unsrem son and the children Andren made around a lot of joy. The kids can anspritzen each other and also the back of the valve can be opened so that water comes out while driving.
The only weak point is the syringe itself, the fiddly hose connection and a not very stable syringe ensures keep checking back for failures. You can repair the easy but it bothers. Since the manufacturer could make improvements.