Heard about these in 2002 ad didn't wait long to build one. These are great fun and legal almost anywhere in the US. There is an air reservoir and barrel with a valve between.
Use a $20 electronic sprinkler valve and a few batteries and a switch to trigger the valve
Cutthe PVC pipe to how you want it to look, and glue it all together
Heard about these in 2002 ad didn't wait long to build one. These are great fun and legal almost anywhere in the US. There is an air reservoir and barrel with a valve between.
Use a $20 electronic sprinkler valve and a few batteries and a switch to trigger the valve
Cutthe PVC pipe to how you want it to look, and glue it all together
Heard about these in 2002 ad didn't wait long to build one. These are great fun and legal almost anywhere in the US. There is an air reservoir and barrel with a valve between.
Use a $20 electronic sprinkler valve and a few batteries and a switch to trigger the valve
Cutthe PVC pipe to how you want it to look, and glue it all together
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