Kids Design and Make
Flip Toys
Materials There are different materials you can use to make a flip toy. Here are the basic types of materials two sticks (paint stirrers, chop sticks, pencils) rubber band string separator (eraser, foam block) hole punch scissors tape cardboard How to Place a Fulcrum Awad and Luis begin by connecting the two sticks and separator (in this case, an eraser). Place the eraser between the sticks, close to one end (the bottom).
Make a Belt-Drive Car
Materials for a Belt-Drive Car You will need the following to make this belt-drive car: Cardboard rectangle, about 6" x 8" 2 wooden dowels or skewers, at least 7" long, for axles 2 straws for bearings 4 wheels that fit on axles 1 1.5 volt motor and bushing 1 battery holder and 1.5 volt battery (see video on making battery holder) 1 switch (see video on making switch) 1 spool 1 rubber band and scissors, wire stripper, masking tape and double sided tape.
Money Alarm
Materials for a Money Alarm To make a money alarm, you will need: cardboard paper clips: 2 large, 1 small scissors tape clothes pin (wooden spring-type) coin battery buzzer How to Make the Alarm The video to the left shows Luis and Awad as they make a money alarm. This is what they do: Attach paper clips to clothes pin Attach clothes pin to base (this step can come later) Attach the black wire of buzzer to the first paper clip Attach the red wire of buzzer to the + side of the battery Attach wire from the - side of battery to the second paper clip How a Money Alarm Works The clothes pin and paper clips are a switch.
Sara and Lola's Wind-up
Wind-up materials Lola and Sara use a: stick bead hole punch rubber band 2 tops clear cup paper clip Make a hole Sara makes a hole in the bottom of the cup . She uses a push pin to get the hole started. Then she enlarges it with a pointed stick. (What else could she use to make the hole larger)? Sara will use the same technique to make holes in the centers of the lids that will be the wind-up wheels.
Slide Switch and a Buzzer
Materials for a Slide Switch These are the materials to make a slide switch connected to a buzzer: cardstock (thin cardboard) scissors tape three paper fasteners two wires 6" long wire strippers buzzer (3 volt) coin battery (CR 2032) Make a Slide Switch to Control a Buzzer Awad and Luis make a slide switch that controls a buzzer in the video to the left. They: Make a base for the switch and buzzer Attach one buzzer wire to a fastener Attach the other wire to a coin battery Connect a wire from the other side of the battery to the second fastener Use a third fastener as a slide that can connect the other two fasteners.
Slippery Slide
Experiments on a Slide Lola and Isabella explore sliding. What can they sit on to make them go faster? Isabella likes combinations of things. First she puts a foam sheet down, places cardboard on top of it, then sits on them both. What do you predict will happen? Predict what materials you can sit on to make you slide fastest: Cotton towel? Wax paper? Aluminum foil? Sand? Wool? Anything else?
Sub-systems for an Electric Car
How to Make a Battery Holder Lola shows how to make a battery holder. She uses the following: A strip of cardboard about 1" longer than the battery 2 brass paper fasteners, 1 1/2" long 1 rubber band 1 battery, 1 1/2volt She marks the position of holes for the fasteners, making them the same distance apart as the battery is long. She starts the holesfor the fasteners with push pins, the more small holes the better.
Wind-Up Toy
Materials for a Wind-up These are materials we use to make a wind-up. ( Some substitutes are shown in parentheses.) cardboard for wheels (paper plates, plastic lids without tabs) tape cardboard to make a spacer (bead) 2 rubber bands (or 1 long rubber band) paper cup between wheels (cardboard roll from paper towels or toilet paper) stick to wind rubber band (coffee stirrer, pencil) 1 paper clip to pull rubber band through holes (thin wire, string) 1 paper clip to keep rubber band from pulling through holes (small stick) push pin to make holes (pencil, ball point, any pointed object) Make a Wind-up In the video to the left Malik and Awad show one way to assemble a wind-up.