"Bikkura Tamago" by Bandai.

Bandai Bikkura? Tamago – Sumikko Gurashi Ghost Night Park Bath Bomb (55g)

The cute Sumikko Gurashi characters appear in ghost form with this fun Bikkura Tamago bath bomb! Drop it into the tub and watch it fizz – a surprise mascot figure will appear. There are 5 ghost-style mascots to collect, making bath time both fun and collectible. The bath water turns light green with a refreshing melon fragrance.

• Net Weight: 55g (bath bomb with mascot)
• Fragrance: melon
• Color: light green bath water
• 5 mascot types: Shirokuma, Penguin?, Tonkatsu, Neko, Tokage

Mascot design is random and cannot be chosen.