# Use Restrictions for Smart Steps Activity Centers Which uses of this activity center are restricted or not allowed? Smart Steps Bounce N’ Play 3\-in\-1 Activity Center PLUS: Use it on a flat, level surface and keep it away from stairs, heat sources, pools and other dangerous areas\. A child must never be left unattended and must remain in view while using it\. Seated use is for infants at least 4 months old who can hold their head up without assistance\. Stop seated use when the child can climb out, begins walking, reaches 30 lb or reaches 32 inches tall\. Smart Steps Hop N' Discover 3\-in\-1 Activity Center: The child must be at least four months old and able to sit upright without assistance\. The maximum recommended child weight is 30 pounds and maximum height is 32 inches\. ### 1. [Smart Steps Bounce N’ Play 3\-in\-1 Activity Center PLUS](/products/ucp/babytrend-com/7198435770449) (sold by babytrend\.com) Stop seated use when the child can climb out, begins walking, reaches 30 lb or reaches 32 inches tall\. - Placement: Use it on a flat, level surface and keep it away from stairs, heat sources, pools and other dangerous areas\. (manual) - Supervision: A child must never be left unattended and must remain in view while using it\. (manual) - Age and Readiness: Seated use is for infants at least 4 months old who can hold their head up without assistance\. (guide) - Use Limits: Stop seated use when the child can climb out, begins walking, reaches 30 lb or reaches 32 inches tall\. (guide) ### 2. [Smart Steps Hop N' Discover 3\-in\-1 Activity Center](/products/ucp/babytrend-com/15258345570673) (sold by babytrend\.com) The maximum recommended child weight is 30 pounds and maximum height is 32 inches\. - Placement: - - Supervision: - - Age and Readiness: The child must be at least four months old and able to sit upright without assistance\. (guide) - Use Limits: The maximum recommended child weight is 30 pounds and maximum height is 32 inches\. (guide) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-29T07:21:02.720Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)