Make This Lava Lamp Bubble And Churn Yourself

When I say "yourself", I mean "whack a tealight candle underneath". It's certainly more DIY than plugging it into a wall socket and flicking the switch. One tealight is good for around three hours of '70s-style fun.

The Fireflow 01 is available from Mathmos for $US69/£35. [Mathmos via 7Gadgets via CrunchGear]

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