GraviTrax Expansion Building Barbie Family & Friends breakfast sizzling on the stove

breakfast sizzling on the stove in the kitchen

Ice-breaking adventures – Excite kids’ imaginations with the Cat Peach Suit and Frozen Tower Expansion Set (71407)

error-proof robustness and care for the environment thanks to the extensive use of recycled material

This beautifully designed diary has a large 2

GraviTrax Expansion Building Barbie Family & Friends breakfast sizzling on the stoveTake your marble runs to the next level with the GraviTrax Expansion Building Set. Designed to expand your existing GraviTrax system, it lets kids build bigger, more exciting track designs. Add new components to create faster runs, trickier paths, and more dynamic builds while experimenting with gravity, motion, and problem solving. Perfect for hands on STEM learning, this set encourages creativity, critical thinking, and endless construction fun.