A wooden building game of chain reactions requiring careful thinking. Children copy the 3 designs in the instructions booklet to build courses, or make up their own - the possibilities are endless! This game is designed for ages 7 and over, and all the kits in the collection are compatible, for ever more inventive action-reaction courses.
1 25-piece wooden building game with 2 metal marbles and one metal bell. Contents 1 16-page instructions booklet.
