Check the listing for details. Gravity Maze Replacement Pieces Parts Grid Marbles Towers. Color: Multi-Color, Condition: New. Listed at 0.99 USD. Get ready for an exciting game night with this set of replacement pieces and parts for ThinkFun's Gravity Maze board game! This set includes everything you need to keep the game going, from the colorful grid pieces to the marbles and towers. Perfect for kids aged 8-11 years and anyone who loves educational games, this set is made of durable plastic materials that are sure to last through countless rounds of gameplay. With its multi-color design, this set is sure to add a fun and vibrant touch to your game board. Whether you're a seasoned Gravity Maze player or just getting started, this set of replacement pieces is a must-have for anyone who loves this popular educational game. So why wait? Order now and get ready to experience all the fun and excitement of Gravity Maze!