Stick the suction base to any flat smooth surface and spin the wheel. Soft exterior bumps make spinning easy for baby. Watch the rainbow appear as the wheel spins. Tumbling beads in the center create a soothing cascade sound. The wheel spokes light up when wheel is activated for an extra element of surprise. Watch baby’s face light up as they play! Lights will automatically go off after 5 seconds then can activate when the wheel spins again. Sold with 1 button cell battery ready for play. Pull activation tab to begin the fun. BPA free Phthalate free latex free paint free.