What are your small inventions, small productions

Question 1: What are the general simple small inventions, small production Clean eraser with brush

When you write a wrong word, you have to use an eraser. After erasing, there are always a lot of crumbs left on the paper. Whether you use your hand to shoot or blow with your mouth, it is unhygienic and troublesome. Make a clean eraser will not be so troublesome.

Material: large eraser, waste brush.

Tools: scissors, glue.

Production Methods:

1. Dig a shallow round hole in one end of the rubber 2. Remove the nib of the waste brush, wash and dry.

3. Cut off the tip of the brush head, so that it becomes a small brush

4. Nestle the brush head into the small round holes in the eraser, and use glue to stick

Well, the clean eraser is made. Whenever you finish erasing the eraser, you can use the brush to gently "sweep" the paper debris together, and then poured into the waste paper basket.

A very simple, the key is the idea. When I was in junior high school, I also did a small production, but also won the third prize. The key to this kind of production is to come up with good ideas to produce is not difficult. I will recommend my small production in that year to you.

I do is a small electronic balance model, note that this is a model, can only weigh very light objects, such as two small confetti. The materials needed to make it are: a wooden board (preferably thin, not too big), a washer, crankpin, awl, soldering iron, a few wires, two light-emitting diodes, a battery. These materials are very good to find, light-emitting diodes if not you can go to the electronics market to buy, very cheap.

The production process is like this: in the middle of the board with an awl to turn a small hole, will be bent into a hook shape of a crankpin, and the board perpendicular to the board through the small hole fixed in the board, hooks can be hung on the washer can be. Then take two crank pins and straighten one half of them, retaining only one inflection; in effect the straightened portion is the arm of the balance, and the remaining bent portion is the pallet. Do the same with the other curved pin. The two crank pins and the washer are then soldered together, with the washer in the center and the crank pin in a straight line. Then hang the washer onto the hook and adjust the distance between the hook and the board, about 3mm. Then in the two pallets under the fixed two crankpin, crankpin next to the preparation of light-emitting diode for the indicator. Set up a circuit under the planks, the balance is equivalent to a single-pole double-throw switch. This circuit is then equivalent to two circuits, *** with one power supply and two light-emitting diodes. As long as the left side of the sinking, the left side of the tray will be connected to the pin below him, so that the circuit is on, the diodes light; if the two sides of the weight is equal, the circuit is not available, the two diodes are not bright.

This is my design ideas, welcome to reference. If there is a problem I can continue to help you, good luck

New small invention production methods 1, homemade badminton

Preparation materials: empty beverage bottles, foam fruit net set of two, a rubber band, a glass bullet.

The production process:

1. Take a 250 ml empty beverage bottle, the upper part of the bottle cut off;

2. Cut the part of the cut off are divided into eight parts, cut with scissors to the neck of the bottle, and then, each part of the cut into the shape of a consistent size of the flower petals;

3. Will be the foam fruit mesh set in the bottle outside, with rubber bands fixed to the mouth of the bottle;

4. Wrap another foam fruit net cover around a glass bullet, stuff it into the mouth of the bottle, stuff it tightly and expose it for about 1 cm;

5. Cut half a ping pong ball, cover the bottom of the hemisphere over the mouth of the bottle, cut all four edges into whiskers, cover the mouth of the bottle and then fix it with a rubber band.

6. Beautify the finishing touches, a homemade badminton completed. Play with a badminton racket, see how the effect is?

2, homemade soap paper

Production materials and tools:

Moisture-absorbent white paper, a small piece of soap, a brush and a disposable beverage can.

Production method:

First, the soap chopped in the can, the amount of water on the cup on the stove heating, and so the soap melted, the white paper cut into matchbox size, a sheet coated with soap, and then removed from the drying of the soap paper.

3, homemade hot air balloon

1. First of all, we cut out 6 to 8 leaf-shaped pieces of soft paper.

2. Fold them in half and glue their edges together to make a balloon.

3. Tape four strings to the bottom of the balloon. Use playdough to fix the other end of the threads to the table.

4. Turn the hairdryer on as slow as possible. Point the mouth of the hairdryer upwards towards the opening at the bottom and turn on the switch. The balloon will slowly grow in size and pull the cord tight and off the table.

4, homemade flashlight

Specific production methods are: a waste cans (such as Lulu beverage cans) up off one end of the lid, the other end of the round hammer knocked concave. With a thick corrugated cardboard rolled up two sections of one battery, battery positive pole up, negative pole down into the can. Find a suitable plastic lid (e.g., the box lid of the Wonder Big Big Roll snaps right onto the Lulu beverage can) and dig a small round hole in the center of the lid ...... >>

Problem two: life has what small inventions, small production balance weighing, a stick, two ropes, the two eight treasure porridge bottles, mooncake boxes, whatever tied together well, you can do some exquisite

Problem three: on the electricity of the small inventions, small productions have? It is recommended to buy a book written by Zhang Xiaodong >, which are some simple small production, only a few small originals can be made to make economical and practical small things, I read the benefit!!!!

Table of Contents

Week 1 (December 28, 2009 - January 3, 2010)

Greeting Cards That Talk

Week 2 (January 4 - January 10, 2010)

Gift Boxes That Talk

Week 3 (January 11-January 17, 2010)

Welcome Voice Doorbell

Week 4 (January 18-January 24, 2010)

Glittering Plastic Potted Flowers

Week 5 (January 25-January 31, 2010)

Glittering Plastic Potted Flowers

Week 5 (January 25-January 31, 2010)

Glittering Plastic Potted Flowers

Week 5 (January 25-January 31, 2010)

Week 5 (January 25-January 31, 2010)

Musical Chain of Lights

Week 6 (February 1 - February 7, 2010)

Shaker Cross Calvary Lanterns

Week 7 (February 8 - February 14, 2010)

Fun Electronic Firecrackers

Week 8 (February 15, 2010) (February 15 - February 21, 2010)

Light gun shooting "tiger" toys

Week 9 (February 22 - February 28, 2010)

Children's musical lantern

Week 10 (March 1 - March 7, 2010)

Hearing aids for the deaf

Week 10 (March 1 - March 7, 2010)

Hearing aids for the deaf

Hearing aids for the deaf

Hearing aids for the deaf

Hearing aids for the deaf

Hearing aids for the deaf

Hearing Aids for the Deaf

Week 11 (March 8 - March 14, 2010)

Two-color Electronic Corsage

Week 12 (March 15 - March 21, 2010)

Cooking Oil Adulteration Detectors

Week 13 (March 22 - March 28, 2010)

Week 14 (March 29-April 4, 2010)

Voice-activated Bird Simulation

Week 15 (April 5-April 11, 201O)

Small disinfectant generator

Week 16 (April 12, 20lO April 18)

Solar garden lights

Week 17 (April 9, 20l0 - April 25)

Recitation aids

Week 18 (April 26, 2010 - May 2)

"Wedge" type door alarm

Week 19 (May 3, 201O May 9)

Infant urine annunciator

Week 20 (May lO, 20lO May 16)

Earthquake audible and visual alarm

Week 21 (May 17, 20lO May 16)

Earthquake alarm

Week 21 ( May 17 - May 23, 20lO)

Voice doorbell with flashing light

Week 22 (May 24 - May 30, 20l0)

Voice ashtray

Week 23 (May 31 - June 6, 2010)

Fun "hoop "

Week 24 (June 7 - June 13, 20lO)

Solar powered fan cooler

Week 25 (June 14 - June 20, 20lO)

Human fatigue tester

Week 26 (June 21 - June 27, 2010)

Food Spoilage Detector

Week 27 (June 4, 2010)

The Meditative "Cricket Whiskers"

Week 28 (July 5 - July 11, 20l0)

Miniature Ceiling Fan Time Delay Switch

Week 29 (July 12-July 18, 201O)

Watermelon ripening probe

Week 30 (July 19-July 25, 20lO)

Automatic controller for electric water heater

Week 31 (July 26-August 1, 20lO)

Talking toy gun

Week 32 (August 2, 2010 - August 8, 2010)

Overvoltage protection socket

Week 33 (August 9, 2010 - August 15, 2010)

Record and play "piggy"

Week 34 (August 6, 2010 - August 22, 2010)

Potted flowers

Pots of flowers

Potted flowers

Potted flowers

Potted flowers

Potted flowers

Potted flower water shortage informer

35th week (August 23, 201O - August 29, 201O)

Dawn of the dawn "golden chicken

36th week (August 30, 201D - September 5, 201D)

Multi-functional clock voice reminder

37th week (September 6, 2011 - September 12, 2012)

The first week (September 6, 2010 - September 12, 2010) September 6, 2010 - September 12, 2010)

Candles with Meaning

Week 38 (September 13, 2010 - September 19, 2010)

Meditations

Week 39 (September 20, 2010 - September 26, 2010)

Coronary Heart Attacks

Help Box

The person with coronary heart pain Helpful Pill Box

Week 40 (September 27, 2010 - September 3, 2010)

Wonderful Color Changing Fiber Optic "Flower"

Week 4l (October 4, 2010 - October jO, 2010)

Light Measuring Stationery Box

Week 42 (October 11, 2010 - October 10, 2010)

Week 42 ( October 11-October 17, 2010)

Multi-purpose Alarm Cane for the Elderly

Week 43 (October 18-October 24, 201O)

Time-Delayed Night Lights

Week 44 (January 25-January 31, 2010)

Talking "Piggy Bank

Week 45 (November 1 - November 7, 2010)

Electric Blanket Wire Breaker Detector

Week 46 (November 8 - 1...... 2010)

Question 4: Do you have any small inventions or creations? Choose ze one of your favorites and tell everyone about it! Yes, I broke the windshield wipers on my X6, and bought one on Taobao, and installed it myself, ***

Question 5: Simple, interesting small productions/inventions 5 points Clean eraser with brush: When you write a wrong word, you need to use an eraser. After erasing, there are always a lot of crumbs left on the paper. Whether you use your hand to shoot or blow with your mouth, it is unhygienic and troublesome. Make a clean eraser will not be such a hassle. Materials: large erasers, waste brushes. Tools: scissors, glue. Production methods: 1. In the rubber at the end of a shallow dig a small round hole 2. to remove the waste brush pen tip, wash and dry. 3. 3. the tip of the brush head cut off, so that it becomes a small brush 4. the brush head embedded in the small round holes in the eraser, with glue to stick Good, clean eraser made. Whenever the eraser, you can use the brush to gently "sweep" the paper debris together, and then poured into the waste paper basket.

Question 6: Everyone, what small production and invention, quickly tell me. The old will fight the cock

This is a simple toy made of magnetic principle.

Supplies needed:

Small iron sheet, cardboard, scissors, a bar magnet, glass plate (or thick cardboard)

Production method:

1, use cardboard to draw two roosters, and cut out with scissors.

2, cut two small pieces of iron bent into a curved crowbar, the rooster is fixed on the curved crowbar.

3, find a bar magnet, put the rooster on the glass plate (or thick cardboard), slide the magnet left and right, due to the role of magnetism, the rooster will fight the frame.

Question 7: pay attention to your surroundings, open your small brain, will be your small invention, small production process to write the current science and technology small production of most of the physics-related, the best with a little electronic aspects, the need for the production of related to go to the shell child science and technology to look at, a lot of high science and technology small production

Question 8: Is there any small production of science and technology for elementary school students small inventions? Science small invention small production -- fluorescent lamp cleaner

In the room cleaning, the most difficult to deal with is the fluorescent lamp tube, it is mounted high on the ceiling, only set up a ladder, or stack the desks and chairs high, climb up to be able to get, but scrubbing is still very inconvenient, and dangerous.

Once, a spark of invention flashed through my mind: I should design a gadget to clean the fluorescent lamps without climbing high

. I found a large beverage bottle, intercepted with the mouth of a section of the bottle, the height of about

15 centimeters, in the cut off on both sides of the scissors cut a U-shaped notch, the width of the fluorescent lamp tube is slightly larger than the diameter of a

Some: Next, in the bottle with a sponge and stick. Finally, find a stick with the same diameter as the mouth of the bottle, ***

the mouth of the bottle, and pin it firmly. A fluorescent light cleaner is ready.

The method of use is very simple: lift the cleaner, the U-shaped notch aligned with the fluorescent tube, move back and forth a few times, the dust on the lamp is wiped clean. The sponge of the cleaner can also be water cleaned.