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There are even sound effects when ridden over the interactive train track
Magnets couple the train carriages together no matter how they are oriented
Eco-Friendly Materials: Made from wood and bamboo
Pull on the yellow raindrop to adjust the light settings between bright
Optical Science Lab lamassu There are even sound effectsFeatures Suitable for 4Y and above Optical exploration Build eight exciting experiments including a Periscope, Cone Illusion, 3D Viewer, Rotating Kaleidoscope, Infinity Mirror, Optical Lab, Optical Illusion Pendulum, and Camera Obscura. Step by step learning Comes with easy to follow instructions. Kid friendly tools Simple pieces and tools designed for young inventors. Complete set Includes blocks, strips, rotators, base stands, lens holder, lens
