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9

Have you considered screwing your decorations to the metal stand, using Technic brick holes to pass the screws? If done properly no harm is done to the bricks, and you will not fear a bad glue joint!


5

I mounted baseplates to a sheet of plywood in order to hang a mosaic as follows: Roughly sand the plywood and the backs of the baseplates. Squirt a generous helping of Liquid Nails on one of the surfaces. Lay out your baseplates on the plywood using regular plates as spacers (i.e., attach plates across the boundaries between two baseplates in order to ...


5

You could always put a screw through a 2x2 plate and use it to fix the corners, the rounded corners on the road plates won't be damaged, and you only lose a very small, cheap part.


3

I'm always hesitant to recommend gluing LEGO as it is so much against the spirit of LEGO. Have you considered using the magnet bricks? They come in several regular LEGO brick sizes, and they stick to metal surfaces just fine. If you must use glue, most glues will readily stick to the plastic, so that is no problem. What you need to check is what glues work ...


2

There are three factors you have to consider here: the possible chocking hazard for your child, the possible toxicity of the glue to your child, and the degree of removability of the glue. I don't think there exist a glue that is (1) completely secure (i.e. won't allow small parts to become chocking hazards), (2) safe to be handled and possibly ingested, ...


2

I use Kragle for putting together the Lego kits, but not any of the removeable pieces or the lego figures. I use a medium viscosity kind of Cyanoacrylate hobby glue. Just have to be careful to not get it on your fingers and your eyes.


2

It's probably not the best option to use no: according to Wikipedia, glue guns tend to operate at the following temperatures: Low-temperature glue guns operate at approximately 120°C (248°F) [...] High-temperature guns operate at approximately 190°C (374 °F) LEGO and Mega Bloks' primary component, ABS, has a melting point around 105°C (221°F), which is ...


1

Many thanks for all your help and ideas. We have experimented with gorilla glue and a couple of others but settled on two part Araldite Rapid, which doesn't take long to set. As they are tree decorations that we are selling to raise funds to build a new building (our old one is rotting away!) they needed to be fairly robust. Sorry that we are sticking ...


1

Depending on how sturdy you need it, then a lot of glues will work. In other words, if this is just going to sit on a shelf, you really don't need tremendous adhesive power. In this case, I would recommend something like JB Weld or Gorilla Glue. However, make sure you properly prepare both surfaces by roughing them up a bit and cleaning them. If you need ...


1

Your question doesn't explain why you want to glue the models for a 4 year old, so I'm going to go ahead and advocate that you don't glue and instead let your 4 year old build. 4 years old is a great time to be learning the fine motor skills, geometry, physics, colour and esthetics, not to mention creativity and storytelling. Gluing the models takes away ...


1

Have you considered using velcro-strips? You can cut it to whatever size you want and it won't permanently damage your basepalces like glue wood. And there is also various versions of two-sided tape. Some of them are very strong and can even hold picture-frames on walls. So they should definitely hold baseplates down.



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