Gecko Run: Marble Run Flex-Corner Expansion Pack wooden Two U-shaped bolts and four

Two U-shaped bolts and four nuts – this looks like a combination of spare parts but looks are deceiving

It also encourages kids to be active and independent

These high quality Puzzle Erasers are Made in Japan and put together by hand

Featuring dozens of toy horses

Gecko Run: Marble Run Flex-Corner Expansion Pack wooden Two U-shaped bolts and fourTackle corners, edges, and obstacles with the Flex Corner expansion! Quickly change direction to bend around corners of any angle or span tracks across obstructions like doorknobs or window frames. With the ability to rotate 360 degrees, this expansion adds a ton of variety to your marble run.