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Details: SAND CASTLE with HOLOGRAM Bring back happy childhood memories of summer days at the beach with this hologram sand castle
Replicates the phases of the moon with a dark shield that rotates around a realistic image of the moons surface
Incredible Science Fun Learning Ideas:
The egg then begins its enchanting display
where the sands have a running time of one hour
Euler's Spinning Disk Tarot Details: SAND CASTLE with HOLOGRAMFascinating desktop illusions! Spin the holographic disk on the mirror. Does it speed up? Listen to its rhythmic sounds. Why does the humming get louder as the speed of the disk increases? This patented 3" Diameter chrome plated steel disk creates a hypnotic display of light and sound as it rotates. Includes Euler's disk, 9" Concave mirror base and nine pieces of magnetized holographic foil. Complete with instructions and the scientific answers! Your
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