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With five different levels for the balls to travel
Pieces: 800
Contents: 40 challenge cards and 6 wooden counters
Dimensions: 27" x 20"
Wave Machine Smithsonian blue-orange With five different levels forLearn about the physics of wave motion in oceans and seas as you observe a continuous wave simulation. A colorful STEM poster teaches about currents, waves, and tides. Requires 1 C (1. 5V) battery (not included).
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