MindWare KEVA Contraptions, Wooden Blocks Building Set, Marble Run Kit, Includes 2 Balls - 200 Planks | Build and rebuild endless designs with 200 wooden planks. Includes 2 balls and 1 idea book with project photos.

MindWare KEVA Contraptions, Wooden Blocks Building Set, Marble Run Kit, Includes 2 Balls - 200 Planks | Build and rebuild endless designs with 200 wooden planks. Includes 2 balls and 1 idea book with project photos.