This construction set from DJECO lets kids build tracks and courses to understand how chain reactions work.

Characteristics:Set contains 27 pieces, with wooden and metal accessories to help create a chain reaction course to learn about cause and effect using a wooden ball, marble, and dominoes. Use the included instructions to build a course, or create your own ideas!

Size:13 x 2 1/4 x 10 inches

Age:8 years and up