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(Unfinished) race track for my kids. This is a temporary paint job, will look totally different when I finish. Will be sure to update when it's done. Designed myself started from the top and worked down to test as I went, 2nd track designed after and around the 1st.
Materials: Mdf, pine, hard plastic sheeting, adhesive, pva glue, screws ect.
What a super cool project, @MarcL! Your kids must be thrilled to have you as a Dad. It's really inspirational to see you taking the time to construct something as wonderful as this.
Can I ask how you're getting the MDF to conform so well to the track? Obviously, you've cut it out, but how are you doing the dips? Are you wetting it?
I'm really keen to see how this project turns out. I know my little man and daughter would love something like this.
Many thanks for sharing.
Mitchell
@MitchellMc Thanks Mitchell, i just cut the shapes, screwed/glued them down to supports
where they needed to be held. It's flexed to its max in a few spots but no wetting it. Then add more supports as I go where needed. I will pva the whole thing from underneath when done, hoping that will really lock it up to hold its form for extra strength. I was surprised how much flex you could get out it.
Hello @dabba
Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thanks for sharing your question about the racetrack.
Let me tag @MarcL to make them aware of your questions. I totally agree it's an awesome project and it would be great to see what the finished product looks like.
If you decide to make a similar project, please don't forget to post an update. I'm sure our members will be keen to see your version of the racetrack.
If you have any other questions we can help with, please let us know.
Eric
Hi @dabba
Thankyou, I used 2mm plastic sheeting I had, I'm not sure what it's actually called though sorry. My advise if you want to make one with the dips and peaks is test it with multiple cars for speed and clearance as this took a lot of adjustments. I had to mount the track best I could and once side walls were on then could test, just screws not glue to hold it so I could reposition where needed. 
