You need : paper towel strips, cut about ½ inch (1 cm) wide (make as many flatworms as you wish to race) a medicine dropper (If you’re racing with friends, you may want to provide a dropper for each) water
You need : paper towel strips, cut about ½ inch (1 cm) wide (make as many flatworms as you wish to race) a medicine dropper (If you’re racing with friends, you may want to provide a dropper for each) water