| GUINEAPIGS | Subjects of endless experiments by children? (6,4) |
| LABOUR | Work in place of experiments by old university research leaders (6) |
| HOBNOBS | Brand of oaty biscuit tested for "dunkability" in an experiment by the Institute of Physics in 2016 (7) |
| KITE | Prop in a science experiment by Ben Franklin |
| PALTRY | Experiment by friend, insignificant (6) |
| BREXIT | Tribe worried about unknown experiment by our neighbours? |
| TRIALANDERROR | Experiment by elimination |
| FLASKOFPOISON | Item in a sealed box, in a famous thought experiment by Erwin Schrodinger |
| HONEYSUCKLE | Evening-scented caprifoliaceous twining plant named for the manner in which the sweet nectar of its peach-and-cream trumpet-shaped flowers is imbibed by sphingids and other moths or tasted by children |
| KITES | As flown by children of all ages (5) |
| BURNINGISSUE | Urgent problem posed by children guilty of 17? |
| REISSUE | Put out again by note written by children (7) |
| MUDPIES | Pies made of mud by children (3,4) |
| CONKER | Sound defeat of horse chestnut used by children (6) |
| LOOSEJOINTED | Drug stashed by children at rear of toilet, moving supply (5-7) |
| DAISY | Depicted in the opening credits of The Good Life, a lawn flower or weed used to symbolise purity, threaded to make garlands by children as a traditional outdoor activity (5) |
| HALLOWEEN | Eve of All Saints' Day celebrated in Canada, UK and US by children trick or treating |
| DENS | Secluded, cosy rooms for hobbies, studying or reading; secret hideouts built by children; or, lairs of lions or foxes (4) |
| SIDEISSUE | Some Lamb is read by children, but it's a matter of little importance (4,5) |
| BRANCH | Identifying mark almost seen by children in part of a tree (6) |
