The Discovery Build-A-Coaster 753 Piece STEM Roller Coaster Set is a new sealed toy perfect for children ages 8 and up. With a focus on STEM themes, this set allows kids to build their own roller coaster using over 750 pieces. Produced by Discovery Kids in 2017, this set comes in a box packaging and is ideal for kids who enjoy building and creating their own toys. Made in China, this set offers endless fun and educational value for aspiring engineers and designers.