Thames & Kosmos My Robotic Pet: Tumbling Hedgehog bell and a cement mixer mixes

and a cement mixer mixes cement to be poured for the building’s foundation

each accompanied by a beautiful photograph and an illustration

Did you know that flamingos hide their heads while they sleep

7 metal marbles

Thames & Kosmos My Robotic Pet: Tumbling Hedgehog bell and a cement mixer mixesBuild your own adorable robotic pet hedgehog! With the 172 building pieces in this kit, you can assemble a real robot that looks like a cute hedgehog. The robot has a built in sound sensor and is programmed to react to different sounds. After you build it, you can play with it by making different sounds and watching it tumble, roll, spin around, bristle its spines, and scurry around. Clap once, and the hedgehog will roll into a ball and tumble