Koplow Games Place 10 Sided Value Dice are a great math manipulative for hands-on place value games and activities. Features units 0-9, tens 00-90, hundreds 000-900, and thousands 0000-9000. The perfect classroom tool. Use for lots of classroom games or activities. Made of durable materials. Hundreds of counting, sorting, math and other applications. Each pack includes 8 dice. Warning choking hazard: Small parts, not for children under 3 years.