Little Tikes LITTLE TIKES ACTIVITY GARDEN STACKER Your little one will develop their problem-solving skills with this cute turtle stacker. Watch your infant work out how the cups fit on the turtles back before hitting the top to watch the sea creature shake them all off. Stacking and nesting cups help develop fine motor skills. as baby determines which cup to stack next. Helps baby understand and recognise sizes. Age from 6 months.