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16

If the helmet were jammed head-down, you can use a needle-nose pliers to grasp the edge of the tube in the inside of the racing helmet, as shown, and then pull them apart. You may need to twist them apart as you pull. In your case, since the helmet is jammed head-up, you need a way to push it out from the bottom. I suggest drilling a small hole through ...


12

Your second guess was correct. It's not just a wrench. It's listed as a Screwdriver/spanner on Lego.com: This part was also included in several sets in the Games line as a human tool to remove tiles from the dice. It's unclear (at least to me) whether this part was intended to be used for tile removal when it was introduced in 1979. Here's an example from ...


10

When your function (such as an extending crane boom) gets to one limit or the other, this clutch gear ratchets instead of binding up the motor and all the gears in between. ETA: Forgot the second question. It has appeared in many sets, most recently the Fairground Mixer.


7

One possible solution might be to use one of the new 1x1 round plates with open studs and a Bar with Clip


4

Short of damaging the parts (which oddTodd nicely documented, I'd tend to try to see if the part can't be removed by suction; although I'm not sure how you could generate enough. Trying to inject a fluid underneath (with sufficient pressure) might do the trick too; that's what doctors do when dealing with clogged ears (usually with a sort of big syringe). ...


4

Yoshihito Isogawa made clock mechanisms from it (well... tic-tac generators) http://www.isogawastudio.co.jp/legostudio/modelgallery_model/b077.html and http://www.isogawastudio.co.jp/legostudio/modelgallery_model/b078.html. Majorna created a "programmable" pull back racer http://www.eurobricks.com/forum/index.php?showtopic=69748&#entry1744425 ...and ...


4

In the case of 87609, the piece was first used in 2010 as part of the grill/bumper assembly for vehicles that were the standard 6 studs wide. Its length would appear to be a result of its original purpose. Its width also allows for attaching two rows of detail: 99206 showed up first in 2012. Its design allows for a more compact construction in ...


3

Just today I tried to use it quite successfully as an alternative to suspension springs. Right now I don't have it assembled so I can't post a screenshot, but the idea is to wind up the pullback motor then attach it to your construction with a cross axis from one side and beams from another and limit its moving with some details. If you are interested in how ...


3

buy a jolly rancher at your local gas station. screw in a long thin screw to a small portion of the jolly rancher, small enough to fit in the garbage can without touching any of the sides. wet the end of the jolly rancher and set it on the plastic helmet in the garbage can. wait a day for it to dry, then pull the helmet out, and soak it in water to ...


3

Build a catapult with it. The catapult arm would be attached to the motor. Pulling the arm down will wind the motor


2

Once I built a hand-powered semi-automated screwdriver toy for kids. They needed to "charge it" first by rotating a gear and then push a button to release power. Then they could apply it to a crane or other models.


1

You can also use heat to un-jam parts that have been tightly stuck with an air pocket between them, which sounds like it describes this situation. Running the parts under warm/hot tap water will cause the air to expand, pushing the pieces apart.


1

Thank you all for your answers. Now I must share the solution my 13 year old arrived at. I found two scratched elements and the pocketknife that pried them apart on my computer desk this morning. This was definitely NOT the best way to get a helmet out of a garbage can as both elements were damaged in the process, but the helmet (which now looks like it was ...


1

Besides the suggestions above another thing you might want to try is soapy water. Many times it will do the trick of separating elements stuck into each other.



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