The slimes is 150g,the box size is 7.5*5.5cm. The slime is super soft, stretchy and non-messy, squeeze it, fold it, roll it, twist it and smash it, Kids play with it for a long time in different way that help develop kids ability of hand-make and imagine. It is a good idea to keep kids away from digital products. Slime kits for girls boys ages 5-15, Great for slime party favors, birthday slime party supplies, rainbow slime color exchange,christmas slime stocking stuffers,easter slime stuffer,goodie bags stuffers , school or carnival prizes, classroom participation rewards or Halloween’s treat bag fillers.