|Project by Owlcroft||posted 11-27-2013 09:10 PM||1881 views||11 times favorited||8 comments|
The name Rolly Polly is all I could think of calling it. I got the idea from a friend of my wife who had one. The one she had was a simple ramp and “Rolly Polly” car that ran down the ramp and flipped. If anyone knows the proper name please leave it in comments.
The Ramp is made of soft maple. The Rolly Polly Car is made with a piece of 1/2” Plywood sandwiched between two pieces of scrape Walnut. Gives it the affect of having a racing strip.
It took a while to get the shape of the car down and the ramp to insure the care does a flip when it rolls off the ramp. Ideal angle on the ramp turned out to be a 17 Degree slop. It is critical the end of the ramp is elevated; this allows the Rolly Polly care to hit nose 1st and flip before continuing on it’s way. The only change I will make when I build another is lengthen the ramp by making the drop off 3/4”. This will increase the speed of the Rolly Polly car.
As I build toys for Merrick (2 year old Grandson) I am trying to keep them age appropriate and I want to encourage him to put his toys away when he is done playing with them. The original one I was shown was a simple ramp and Rolly Polly car. I added the Box at the base of the ramp to give him a place to put his Rolly Polly away when he was done playing with it. Good habits start young.
The following is a link to a YouTube video showing the Rolly Polly car in action: