Ideas that could be fun, even used in other ways.
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a close up of a small white object on a table with polka dot wallpaper
PVC Rocket With Vinegar and Baking Soda Fuel
a wooden object with a candle on it
Easy to Make a Mini Steam Boat - Your Projects@OBN
two tin can lamps sitting on top of a wooden table
Two-Can Stirling Engine
😍😍 What do you think?⁠
Hummingbird and her babies.
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