Robotic Jellyfish Nightlight Kit t-tractor Take puzzling to a whole

Take puzzling to a whole new dimension with this powerful design

Grab one of the containers with the magnetic hook

Flash forward 16 years

It's equipped with a transformation gimmick that can be switched between ride-on mode and REX mode

Robotic Jellyfish Nightlight Kit t-tractor Take puzzling to a wholeThames & Kosmos Build a mesmerizing, decorative lamp that changes colors and mimics the undulating movements of a jellyfish in the water. Lock different components of the planetary gear system in place to change the movement of the tentacles and create a range of hypnotic effects. Discover what makes this type of mechanical design such a versatile, robust, and durable option found in many practical applications, from bicycles and washing machines to