Build It: Invent New Structures and Contraptions
"If you like tinkering with widgets, wing nuts, gadgets, and gauges, you've picked up the right book. In Build It, you'll invent a trash grabber, a newspaper fort, a coin sorter, and other amazing contraptions. When it comes to inventing, your imagination has no limits!"
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A-tube adhesive wall hook arch Ask yourself—What B-tube bottle build buoyancy Capstone Press Coin Sorter Contraptions Create5 Problem1 dome is complete Door Pulley egg fall slowly Egg Parachute elastic end and thick FactHound five B tubes giving an inventor grooved wheel turned gun and glue hinge hole punch hot glue gun Ideas3 Improve6 Problem1 inches increase air resistance invented inventor sole rights land softly legal document giving less dense light an object Louis learned Mankato masking tape mixed coins newspaper fort newspaper rolls nickel open and close pet drinks PET Waterer pieces of cardboard Plan4 Gather plywood poly-fill Principle2 problem Pull Push Repeat steps rescuers ribbon sandpaper scissors to cut second row simple machine six Steps Slide the cardboard slowly and land Snack Raft staple the open stapler thread tic-tac-toe pieces tic-tac-toe shape Toothpick BrIdge top points trapdoor Trash Grabber truss action utility knife valve weight wire