Trestle Tracks Builder Set Feeding The Thames and Kosmos plasma

The Thames and Kosmos plasma ball creates a fascinating display of glowing electric tentacles

Learn more about each creature with the excavation guide when you’re done

Mini-makers use a kid-friendly power drill and colorful bolts to attach 15 track pieces of varying length and shape to complete 10 different maze challenges

and you turn the tree to the next person’s flower tray

Talk to your fellow spy up to 400 feet away

Trestle Tracks Builder Set Feeding The Thames and Kosmos plasmaA truly mesmerizing marble track experience! This set is made up of 73 hollow stacking cubes and a variety of perfectly flat tracks. The paths cut out of each track widen almost imperceptibly from one end to the other, creating an invisible slope that propels the marbles forward. Recommended for ages 6 and up.