SUB - the Extra Set for clever underpasses bath and room temperature 1 fanfold with instructions and

1 fanfold with instructions and ideas for creating different patterns

The planks are simply assembled without the need for glue or clips

Signature Oball material is easy to hold

Fabric: 90% polyester/10%cotton

SUB - the Extra Set for clever underpasses bath and room temperature 1 fanfold with instructions andCUBORO SUB Create Smart Underpasses for Advanced Tracks Take your CUBORO marble run to the next level with the SUB Extra Set. This set introduces clever underpasses, allowing marbles to move smoothly beneath other tracks for more intricate designs. Why Choose CUBORO SUB? Adds Clever Underpasses Create more advanced and dynamic tracks. STEM Learning Toy Encourages problem solving, creativity, and engineering skills. High Quality Swiss Beechwood