The possibilities of discovery are multiplied when rich variables are at children's fingertips. The Timeless Treasures Loose Parts STEM Kit is a laboratory of opportunity uniquely designed to inspire children to experiment and explore. Children 3 and up can investigate the concept of the passage of time using the weathered and shiny items included in this kit. Replica international coins, keys and colorful plastic gems can be stored and organized using the compartmentalized Poly+ tray or included velvet bags. Contents or colors may vary.