A new expansion kit compatible with the entire Action-Reaction range so you can create even more spectacular circuits!
Construct thrilling circuits, defy gravity with the incredible loop-the-loop and watch as your marbles speed off at high velocity!
Fire up your imagination and create even more exciting circuits!
GREAT FOR S.T.E.M. LEARNING - Science, Technology, Engineering and Mathematics; rather than teach the four methods as separate and individual subjects, STEM consolidates them into an interconnected learning standard based on real-world applications.
This Loop-The-Loop + Accelerator Expansion Pack helps in the acquisition of manual skills, brainpower and creativity.
Suitable for Ages 8 - 99+