This new interactive set, featuring 225 pieces, is easy to assemble, with flexible tracks that can be twisted into various shapes for endless configurations. Ideal for 3 years and up kids , this Stem toy enhances creativity, hands-on skills, and role-playing. Made from durable, high-quality plastic, it meets Astm safety standards. The light-up space car requires 2 double Aa batteries - 1 for each car required but not included and offers 2-3 hours of playtime.