Marbelocity Dragon Coaster
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
This buildable wooden coaster is as thrilling as it is educational. The Marbleocity Dragon Coaster is a STEM lesson to excite future engineers! It's the first in a series of interconnecting modular "marble machines." The graphic novella included features the Tinkiteer cast of characters and teaches kids about roller coaster design! Use it in the...