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This unique metal launcher that has multiple settings, so launch speed may be varied as well as the angle. A large easy to read protractor allows any angle between 0 and 90° to be set securely. And, the sturdy wood base allows the photogate system to be attached at the launch end, regardless of the angle. Marbles and instructions are included as well as an activity guide. Size: 15 3/4?L x 11 3/4?W x 4?H.
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