Ikeda Kogyosha Clear Rolling Marble Coaster 402pcs [ClearBlocksBlock CoasterEducational Toy402pcsBase Plate Included]

Observing the marbles is fun with the transparent clear parts! A massive 402-piece set for a truly authentic experience! Freely assemble and expand! Packed with educational elements that develop spatial awareness, concentration, and creativity! A large-capacity set recommended as a gift for birthdays, Christmas, and other occasions! Create your own course with a variety of parts including slopes and curves!