Will the balls reach the bottom at the same time? Or will one be faster?Make your predictions and place the two marbles behind the acrylic start tool. When you're ready, lift up the tool to release the marbles simultaneously and discover what happens!A fun and intriguing physics experiment that will have people second guessing themselves and eager to see the results of the race. An interesting educational tool to discuss scientific principles such as gravity, acceleration and velocity.Measures roughly 13" x 2.1" x 4.75" and weighs 2 lbs. Very sturdy construction using floorboard for the siding and base for extra durability and MDF to ensure smoothness on the inner paths.Two marbles (colors may vary) and acrylic starting tool included.Designed and made by Creative Crafthouse in the USA. Copyright 2023 Creative Crafthouse.Materials: wood,marble
