Squishy Circuits Deluxe kit, It comes with more items than the standard kit and comes with pre-made doughs, This kit also includes a deluxe battery holder which has a knob that allows your lights to blink and buzzers to beep at different speeds.
Intro to Engineering, welcomes young children to the field of engineering with 25 experiments and building projects in five sections, Dimensions: 14.6 x 11.5 x3.1in, Start by learning some engineering basics with experiments on levers, forces, and pulleys