Pat Murphy Lego Chain Reactions Multiple-component retail product, part(s)

Make amazing moving machines in Lego Chain Reactions! Children canbuild eight simple machines that can be combined to set off a chainreaction. They can use all the included LEGO pieces in conjunctionwith their own collection to build the contraptions and recordall their experiments in the pages of the book. | Pat Murphy Lego Chain Reactions Multiple-component retail product, part(s)