Combines 3 modes of play Mum just slides the switch to lock out the rolling feature making it easy for baby to bat at the snail & be rewarded with lights a rocking motion music & sound effects There are 4 sound effects & 3 songs in all When the product is locked out from rolling it s also perfect for mode 2 the sitting baby When baby is ready to start crawling this snail will be the perfect companion Mum just unlocks the rolling feature in Mode 3 allowing baby to send his little snail rolling & wobbling along all the while being rewarded with lights sound effects & music