=AMUSING EXPERIMENTS.=--Something for Nervous People to Try.--The Jersey Mosquito.--The Stampede.--The Runaway.--The Dog-fight.--The Whirligig.--The Naval Battle.--A String of Fish.--A Magnetic Gun.--A Top Upsidedown.--A Magnetic Windmill.--A Compass Upsidedown.--The Magnetic Acrobat.--The Busy Ant-hill.--The Magnetic Bridge.--The Merry-go-Round.--The Tight-rope Walker.--A Magnetic Motor Using Attractions and Repulsions. _The Book and Complete Outfit will be sent, Post-paid, upon receipt of 35 Cents, by_ THOMAS M. ST. JOHN, 407 W. 51st St., New York. A Few Off-Hand Statements that have been made about "Fun With Magnetism" and "Fun With Electricity" in letters of inquiry to the author. (These statements were absolutely unsolicited.) "My little boy has your 'Fun With Magnetism' and enjoys it so much that if the 'Fun With Electricity' is ready I would like to have it for him. Please let me know," etc. "I have had much fun with 'Fun With Magnetism.'" "My boy has 'Fun With Magnetism' and has enjoyed it very much and would like the other. Will you," etc. "Please let me know when 'Fun With Electricity' is upon the market, for if it is as good as this, I shall certainly want it." "I have just received 'Fun With Magnetism' and am delighted with it. Please send me 12 sets," etc. "I have 'Fun With Magnetism' and 'Fun With Electricity' and have enjoyed them very much. Please send," etc. "I am much pleased with 'Fun With Electricity' and would like to have," etc. "'Fun With Electricity' is fine and I have had lots of fun with it. Please send," etc. "Having experimented with both of your apparatus 'Fun With Magnetism' and 'Fun With Electricity,' and having found them both amusing and instructive, I wish to ask," etc. "I have purchased your outfits 'Fun With Electricity' and 'Fun With Magnetism,' and though they are designed for amusement, I find them a great help in my studies. Will you please," etc. "I have one of your outfits of 'Fun With Electricity,' and I enjoy it very much, some of the experiments being very astonishing. Will you please," etc. "I have enjoyed 'Fun With Magnetism' and 'Fun With Electricity' very much." "My little boy has your book 'Fun With Electricity,' which has given him much amusement. He would like to have," etc. "I am very much pleased with both outfits. I am very much in favor of such things for boys; it keeps them occupied with something that is both amusing and instructive. Send me," etc. Fun With Electricity. BOOK AND COMPLETE OUTFIT FOR SIXTY EXPERIMENTS IN ELECTRICITY.... [Illustration] Enough of the principles of electricity are brought out to make the book instructive as well as amusing. The experiments are systematically arranged, and make a fascinating science course. No chemicals, no danger. The book is conversational and not at all "schooly," Harry and Ned being two boys who perform the experiments and talk over the results as they go along.