Sonic Slam from Mattel is a pair of electronic stringless rackets with which you and a friend can play pretend tennis. You can also play tennis solo against a wall, or a game of hot potato, where the virtual ball explodes after a certain number of vollies. What the heck, you ask? It works like a Wii controller without the Wii. The rackets detect how far you…
Sonic Slam, Tennis Without Aiming, Court, or Ball
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