This new Frog Life Cycle Layer jigsaw puzzle from BigJigs is a fun educational game for curious kids to get to grips with the animal life cycle. Busy little hands can piece together the smooth chunky puzzle pieces to discover how a tadpole turns into a frog!Pull away each puzzle layer to reveal a new lifecycle stage. Is the tadpole hatching? Or is the frog ready to swim? Take a good look at the four lift out jigsaw puzzle layers to see how nature works!This chunky wooden puzzle is suitable for children aged 2 years + and is made from quality, ethically sourced wood. It conforms to current ASTM F963 and European toy safety standards. The paints and lacquers used are safe and non-toxic. Bigjigs is a UK based, family-run business (the Ireland family) which specialises in traditional wooden toys, ethically made from environmentally responsible materials (ie rubberwood, FSC certified wood).