teach me tiles sign n learn gameface intelligear double bubble blower yes top pen countdown rocket fib finder x changers dream machine music player lamp grinder challenge: Create a plush for Play by Play that used electronics to enhance play value. Responsibilities (@skyline) included initial concept development and interaction. solution: "Sing 'n learn" baby bugs and tweety. features: Smarts in hands, feet cheeks, tummy and tail allow child to play "if your happy and you know it" song with the plush.