$0.50 mini toy

Simple catapult is a childhood toy which children used to shoot at birds or targets. It converts elastic potential energy to kinetic energy....

sand art provides coloured sand and a sticker template. Your kids sprinkle sand over the sticky surface to apply colour to the template. Colourful pictures can be easily done....

Ring and chain - Classic and simple magic where you tie a knot around the ring without anyone noticing what happened....