Gecko Run: Marble Run Spinners Expansion Pack

The Spinners expansion offers ultimate versatility! Use the wheels individually to let your marbles go for a spin, or combine them for some surprising effects…will the wheels spin to the right or left? It all depends on how fast the marbles roll!

Ages: 8+
Experiments: 2
Piece Count: 13
Manual Pages: 4 
Product Dimensions: 4.8 x 11.2 x 2 in.