Eco Science Toys by 4M from Toysmith. Recycle to help save our Earth! Use every day waste to create fantastic science toys. make a speed racer with old CDs and a toilet tissue roll, create a tornado inside empty plastic bottles, construct a gravity-powered walking robot with a drink can.. and more (there are seven science toys in total). Includes a 12-page colour booklet with full instructions and fun science facts. This toy kit teaches kids, in a fun way, the power of recycling and the science of cool toys!