Sonic the Hedgehog #15 — Sonic Scribes

""Rockin' the 'Bot": While out running with, Sonic spies a frog in trouble! For rescuing it, the frog gives Sonic three magic stones: a green one for super strength, a yellow one for leaping great distances, and a red one for elasticity! Since Sonic doesn't believe the frog, he gives the stones to Tails. But when Doc Robotnik, in his new Beetlebot, attacks the Freedom Fighters while they're out testing an all-terrain vehicle! Can Sonic figure out the secret of the stone in time?"