Count down to your favourite holidays, or any special occasion, with the 24-day Disney Princess Bitty POP! 24-Day Countdown Calendar! Open the tiny doors to reveal 10 Bitty POP! collectibles, 9 stackable pieces, 3 festive accessories, 1 key chain and 1 pin. Expand your princess collection with this Disney Princess 24-Day Bitty POP! 24-Day Disney Princess Countdown Calendar. Bitty POP! collectibles come in hard acrylic cases with removable bottom lids - the removable bottom lids serve as the acrylic base to which the Bitty POP! figures attach. The vinyl figures are approximately 2.3 cm tall. Acrylic key ring cases and acrylic pin cases measure approximately 3.3 cm wide x 4.1 cm high x 3 cm deep (1.3 in. wide x 1.6 in. high x 1.2 in. deep) and fit all standard Bitty POP! cases. The Bitty POP! key ring is approximately 7.6 cm long.