Educational Wooden Roller Coaster Set - DIY Kit for Kids Outer Diameter - 33mm Static Load Rating: 533 N

Static Load Rating: 533 N

45mm x 90mm x 49

Outer Diameter: 3 11/32" inch

- Smooths movement of pallets and parts on conveyors and displays - Handy for aligning items during transfers in packaging lines - Durable sealed bearings reduce maintenance and extend life ✝️

6003 Full Complement Ceramic Ball Bearing - Silicon Nitride (Si₃N₄)

Educational Wooden Roller Coaster Set - DIY Kit for Kids Outer Diameter - 33mm Static Load Rating: 533 NRoller Coaster DIY Kit for Kids & Teens STEM Toy Brain Booster Perfect Gift Idea Unplug and spark imagination with this interactive Wooden Roller Coaster DIY Model Kit! Made from durable wood and packed with clever engineering, this hands on building set challenges kids and teens to create a working marble track from scratch. Type: Educational Wooden DIY Model Kit Materials: Natural wood, non toxic finish Activity Time: 1 2 hours of fun assembly Age