These are acrylic stones from amusement prizes. 1 heart: approx. 3g 23 pieces, total weight: 76g +Bonus items included☻ Please note that these are amateur measurements, so there may be some discrepancies. As these are amusement prizes, some may have scuffs or scratches. They can be used for pretend play, recreational activities, gem scooping, festivals, aquarium decorations, etc. Please be aware that small children may choke on them. Please exercise extreme caution.