Ikeda Kogyosha Rolling Marble Coasters, 108 Pieces [BlocksBlock CoastersEducational Toy]

Assemble the blocks however you like to create a course. Large capacity and ultra-realistic! Assemble and expand freely! Full of educational elements to develop spatial awareness, concentration, and creativity! A large marble coaster that makes a great gift. Create your own course using a variety of parts such as slopes and curves!