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Marshmallow Shooter


Here’s how to make a pair of Marshmallow Shooters. You’ll be ready for combat in minutes! They’re made of standard ½” PVC pipe and pipe fittings, which just happen to be a perfect fit for mini marshmallows from the grocery store. Just fit the pieces together, bring a bag of... Read more »

Jellyfish Tank


A tank of healthy jellyfish is hypnotically beautiful. Unfortunately, jellies can’t live in a regular aquarium because they get sucked into the filtration pumps or trapped in “dead spots” at the edges. This special design creates a laminar flow that keeps jellies safely suspended in the middle of the tank. Read more »