Zig & Go Junior Racer 51 Pieces by DjecoZig and Go Junior Racer 51 pieces by Djeco. 51 piece chain reaction puzzle and wooden construction set for younger children age 5+. This 51 piece accessory set with wooden dominoes, ball and components will inspire creativity and build skills like perseverance. In this set the dominoes are easier to set up and have a little track. The child follows the three models in the booklet to build their journey or imagine others endlessly. This game for ages 5