Show Simple Mechanical Toys Boys who are fdnd of toys that will go can do a great deal with spools rubber bands and cigar boxwood A hot air wheel which when balanced Is revolved by the heat from a lamp or stove striking against Its slanting ends is made Imply by cutting out around a-round pleee or thin pasteboard or tin and cutting slits as shown In the dIagram C then bending the ends aU one way wayTo To Run a Windwheel Perhaps the easiest thlnga to run by It are the little wIndwheels which most boys make To accomplish this secure a large spool upon the end at the rod which a5 shown herewith passes through the top of the mill and turns with wIndwheel A smaller spool Is fitted tightly upon another small round stick the lower end of which Is sharpened to a paint and the hot air I Stretch a strong rubber band across the two shaftlike ends f the coat arranging ar-ranging the propeller In the center and between the two pIeces ot rubber By twisting the little propeller around and around until the rubber is almost to the breaking point and placing the boat upon the water It ivill be forced along rapidly until the rubber haD entirely untwisted The further the shaitllke ends from the water the longer the power will hold out A Sand Wheel and Mill A boys toy mlll constructed from a common box can be made an amusing ornament to place under the ChrIstmas tree b1 means at sand from the seaside sea-side which ill turn the mlll wheel for five or ten mInutes The mill wheel consists sImply of two circular pieces at thlnwood cut the same size 1 and 2 with small holes through the centers cen-ters Eight or ten square pieces 3 ci f 4 b Ld y = I DIAGRAMS OF TOYS I I I wheel t Is tacked upon Its upper end Into order In-to be supported above the heat the Jointed end Is rested uYn a narrow nar-row shelf built out from the mill the wheel being held erect by the loop In a strong wire support from the top ot the mill A band Of elastic braid 1s stretched over the two spools but not too tightly The heat wheel rapidly revolved will at the same time revolve the long arms of the windwheel If the pointed stick bores Into Its support sup-port It may be made to rest upon a small bit of glass A Toy Propeller In whittling out a simple boat a toy may be made by leavIng ttyo ends to project like the shafts of Ii wagon at the 03lern Cut out two pieces of wood exactly as shown In a and b In the diagram and fit one into the other at the hollow notch in the center made as 1de as the iood Is thik This maybe may-be used as a propeller I 1 1 cut exactly the same size are fastened evenly tJeteen the two cIrcular Deces I at oven distances apart by means of I cigar box tacks which do not split the I wood From the side of the mill house a small round stick or shaft Is projected project-ed on which the mill wheel Is placed lt Is only necerary to add a little cupqla to the outsIde of the mill extending ex-tending down toward the wheel as a box In whIch to pitt the sand A narrow nar-row slit IE left In the corner ot this I sand box just above the wheel this allows a very small amount 01 thesand to flow out over the wheel whIch turns with its weight The bottom of the box Is slanted SO the sand will run to the opening From a receptacle upon which the sand falls It may again be transferred Into the cupola box fitted I with a cover The sand will flow more readily when warmed The slow move meat of the wheel k realistic to all young observers and the toy Is easily I made |