Loop the Loop Triple Track

Understanding the principles of physics that occur on a roller coaster has become easier. This triple play apparatus consists of three tracks – one straight down, one with one loop, and the third with two loops. All three have different straight-up track lengths. At the end of each track is a catch sack to prevent losing the ball. Straight track is 28 in. L, one loop track is 54 in. L with an 8 in. dia. loop, and two loop track is 70 in. L with a 3-1/2 in. dia. loop and 8 in. dia. loop, all on a 15-3/4 in. x 9-1/2 in. x 5/8 in. wooden base. Includes two steel balls (5/8 in. dia. and 3/4 in. dia.)