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Build a plant-based air purifier

by nshapiro over 2 years ago | 15 | 2,455 views | 12


Host a collaborative map drawing workshop

by liz about 2 years ago | 0 | 308 views | 2


PET Bottle & Rubber Band Rig

by mathew over 2 years ago | 1 | 272 views | 2



Flame testing metal salts

by kgradow1 over 3 years ago | 2 | 1,674 views | 8


DIY Formaldehyde Test Kit

by nshapiro over 4 years ago | 61 | 4,057 views | 8



easy cut delta kite plans

by mathew almost 7 years ago | 5 | 1,442 views | 2


Prototyping a kite for kids

by oscarbrett almost 7 years ago | 2 | 251 views | 4